2. The diagram shows the parabola y = (7 x)(l + x). The points A and C are the x-intercepts and the point B is the maximum point. f : x (x p)(x q).
|
|
- Shana Young
- 7 years ago
- Views:
Transcription
1 Quadratics 1. (a) Factorize x 2 3x 10. Solve the equation x 2 3x 10 = 0. (Total 4 marks) 2. The diagram shows the parabola y = (7 x)(l + x). The points A and C are the x-intercepts and the point B is the maximum point. y B A 0 C x Find the coordinates of A, B and C. (Total 4 marks) 3. The diagram represents the graph of the function f : x (x p)(x q). y x C (a) Write down the values of p and q. The function has a minimum value at the point C. Find the x-coordinate of C. (Total 4 marks) IB Questionbank Maths SL 1
2 4. The following diagram shows part of the graph of f, where f (x) = x 2 x 2. (a) Find both x-intercepts. Find the x-coordinate of the vertex. (4) 5. Let f(x) = p(x q)(x r). Part of the graph of f is shown below. The graph passes through the points ( 2, 0), (0, 4) and (4, 0). (a) Write down the value of q and of r. Write down the equation of the axis of symmetry. (1) (c) Find the value of p. IB Questionbank Maths SL 2
3 6. Part of the graph of the function y = d (x m) 2 + p is given in the diagram below. The x-intercepts are (1, 0) and (5, 0). The vertex is V(m, 2). (a) Write down the value of (i) m; (ii) p. Find d. 7. The diagram shows part of the graph with equation y = x 2 + px + q. The graph cuts the x-axis at 2 and 3. y x Find the value of (a) p; q. (Total 4 marks) IB Questionbank Maths SL 3
4 8. Part of the graph of f (x) = (x p) (x q) is shown below. The vertex is at C. The graph crosses the y-axis at B. (a) Write down the value of p and of q. Find the coordinates of C. (c) Write down the y-coordinate of B. 9. The diagram shows part of the graph of y = a (x h) 2 + k. The graph has its vertex at P, and passes through the point A with coordinates (1, 0). y P 2 1 A x (a) Write down the value of (i) h; (ii) k. Calculate the value of a. IB Questionbank Maths SL 4
5 10. Let f(x) = 8x 2x 2. Part of the graph of f is shown below. (a) Find the x-intercepts of the graph. (4) (i) Write down the equation of the axis of symmetry. (ii) Find the y-coordinate of the vertex. (Total 7 marks) IB Questionbank Maths SL 5
6 11. The diagram shows the graph of the function y = ax 2 + bx + c. y x Complete the table below to show whether each expression is positive, negative or zero. Expression positive negative zero a c b 2 4ac b (Total 4 marks) 12. Consider the function f (x) = 2x 2 8x + 5. (a) Express f (x) in the form a (x p) 2 + q, where a, p, q. Find the minimum value of f (x). 13. (a) Express f (x) = x 2 6x + 14 in the form f (x) = (x h) 2 + k, where h and k are to be determined. Hence, or otherwise, write down the coordinates of the vertex of the parabola with equation y x 2 6x (Total 4 marks) IB Questionbank Maths SL 6
7 14. The quadratic function f is defined by f(x) = 3x 2 12x (a) Write f in the form f(x) = 3(x h) 2 k. The graph of f is translated 3 units in the positive x-direction and 5 units in the positive y-direction. Find the function g for the translated graph, giving your answer in the form g(x) = 3(x p) 2 + q. 15. Let f(x) = 3x 2. The graph of f is translated 1 unit to the right and 2 units down. The graph of g is the image of the graph of f after this translation. (a) Write down the coordinates of the vertex of the graph of g. Express g in the form g(x) = 3(x p) 2 + q. The graph of h is the reflection of the graph of g in the x-axis. (c) Write down the coordinates of the vertex of the graph of h. 16. Let f (x) = a (x 4) (a) Write down the coordinates of the vertex of the curve of f. Given that f (7) = 10, find the value of a. (c) Hence find the y-intercept of the curve of f. 17. The function f is given by f (x) = x 2 6x + 13, for x 3. (a) Write f (x) in the form (x a) 2 + b. Find the inverse function f 1. (c) State the domain of f 1. IB Questionbank Maths SL 7
8 18. Let f (x) = 2x 2 12x + 5. (a) Express f(x) in the form f(x) = 2(x h) 2 k. Write down the vertex of the graph of f. (c) Write down the equation of the axis of symmetry of the graph of f. (d) Find the y-intercept of the graph of f. (1) (e) The x-intercepts of f can be written as Find the value of p, of q, and of r. p ± r q, where p, q, r. (7) (Total 15 marks) 19. The equation of a curve may be written in the form y = a(x p)(x q). The curve intersects the x-axis at A( 2, 0) and B(4, 0). The curve of y = f (x) is shown in the diagram below. y 4 2 A B x (a) (i) Write down the value of p and of q. (ii) Given that the point (6, 8) is on the curve, find the value of a. (iii) Write the equation of the curve in the form y = ax 2 + bx + c. (5) (i) Find d y. dx (ii) A tangent is drawn to the curve at a point P. The gradient of this tangent is 7. Find the coordinates of P. (4) IB Questionbank Maths SL 8
9 (c) The line L passes through B(4, 0), and is perpendicular to the tangent to the curve at point B. (i) Find the equation of L. (ii) Find the x-coordinate of the point where L intersects the curve again. (6) (Total 15 marks) 20. The function f (x) is defined as f (x) = (x h) 2 + k. The diagram below shows part of the graph of f (x). The maximum point on the curve is P (3, 2). y 4 2 P(3, 2) x (a) Write down the value of (i) h; (ii) k. Show that f (x) can be written as f (x) = x 2 + 6x 7. (1) (c) Find f ʹ (x). The point Q lies on the curve and has coordinates (4, 1). A straight line L, through Q, is perpendicular to the tangent at Q. (d) (i) Calculate the gradient of L. (ii) Find the equation of L. (iii) The line L intersects the curve again at R. Find the x-coordinate of R. (8) (Total 13 marks) IB Questionbank Maths SL 9
10 21. The quadratic equation 4x 2 + 4kx + 9 = 0, k > 0 has exactly one solution for x. Find the value of k. (Total 4 marks) 22. The quadratic equation kx 2 + (k 3)x + 1 = 0 has two equal real roots. (a) Find the possible values of k. (5) Write down the values of k for which x 2 + (k 3)x + k = 0 has two equal real roots. (Total 7 marks) 23. The equation kx 2 + 3x + 1 = 0 has exactly one solution. Find the value of k. 24. Consider f(x) = 2kx 2 4kx + 1, for k 0. The equation f(x) = 0 has two equal roots. (a) Find the value of k. The line y = p intersects the graph of f. Find all possible values of p. (5) (Total 7 marks) 25. The equation x 2 2kx + 1 = 0 has two distinct real roots. Find the set of all possible values of k. 26. Let f(x) = 2x 2 + 4x 6. (a) Express f(x) in the form f(x) = 2(x h) 2 + k. Write down the equation of the axis of symmetry of the graph of f. (1) (c) Express f(x) in the form f(x) = 2(x p)(x q). IB Questionbank Maths SL 10
11 27. Consider two different quadratic functions of the form f (x) = 4x 2 qx The graph of each function has its vertex on the x-axis. (a) Find both values of q. For the greater value of q, solve f (x) = 0. (c) Find the coordinates of the point of intersection of the two graphs. 28. Let f(x) = ax 2 + bx + c where a, b and c are rational numbers. (a) The point P( 4, 3) lies on the curve of f. Show that 16a 4b + c = 3. The points Q(6, 3) and R( 2, 1) also lie on the curve of f. Write down two other linear equations in a, b and c. (c) These three equations may be written as a matrix equation in the form AX = B, a where X = b. c (i) Write down the matrices A and B. (ii) Write down A 1. (iii) Hence or otherwise, find f(x). (8) (d) Write f(x) in the form f(x) = a(x h) 2 + k, where a, h and k are rational numbers. (Total 15 marks) Let M = 0 0, and O = 3 4. Given that M 2 6M + ki = O, find k. 0 0 IB Questionbank Maths SL 11
12 30. (a) Express y = 2x 2 12x + 23 in the form y = 2(x c) 2 + d. The graph of y = x 2 is transformed into the graph of y = 2x 2 12x + 23 by the transformations a vertical stretch with scale factor k followed by a horizontal translation of p units followed by a vertical translation of q units. Write down the value of (i) k; (ii) p; (iii) q. 31. The quadratic function f is defined by f (x) = 3x 2 12x (a) Write f in the form f (x) = 3(x h) 2 k. The graph of f is translated 3 units in the positive x-direction and 5 units in the positive y-direction. Find the function g for the translated graph, giving your answer in the form g (x) = 3(x p) 2 + q. IB Questionbank Maths SL 12
13 32. The following diagram shows part of the graph of f (x) = 5 x 2 with vertex V (0, 5). Its image y = g (x) after a translation with vector h has vertex T (3, 6). k (a) Write down the value of (i) h; (c) (ii) k. Write down an expression for g (x). On the same diagram, sketch the graph of y = g ( x). IB Questionbank Maths SL 13
14 33. The diagram shows parts of the graphs of y = x 2 and y = 5 3(x 4) 2. y 8 y = x 2 6 y = 5 3( x 4) x The graph of y = x 2 may be transformed into the graph of y = 5 3(x 4) 2 by these transformations. A reflection in the line y = 0 a vertical stretch with scale factor k a horizontal translation of p units a vertical translation of q units. followed by followed by followed by Write down the value of (a) k; p; (c) q. (Total 4 marks) IB Questionbank Maths SL 14
15 34. Let f (x) = 3(x + 1) (a) Show that f (x) = 3x 2 + 6x 9. For the graph of f (i) (ii) (iii) (iv) write down the coordinates of the vertex; write down the equation of the axis of symmetry; write down the y-intercept; find both x-intercepts. (8) (c) Hence sketch the graph of f. (d) Let g (x) = x 2. The graph of f may be obtained from the graph of g by the two transformations: Find a stretch of scale factor t in the y-direction followed by p a translation of. q p and the value of t. q (Total 15 marks) IB Questionbank Maths SL 15
16 35. The following diagram shows part of the graph of a quadratic function f. The x-intercepts are at ( 4, 0) and (6, 0) and the y-intercept is at (0, 240). (a) Write down f(x) in the form f(x) = 10(x p)(x q). Find another expression for f(x) in the form f(x) = 10(x h) 2 + k. (4) (c) Show that f(x) can also be written in the form f(x) = x 10x 2. A particle moves along a straight line so that its velocity, v m s 1, at time t seconds is given by v = t 10t 2, for 0 t 6. (d) (i) Find the value of t when the speed of the particle is greatest. (ii) Find the acceleration of the particle when its speed is zero. (7) (Total 15 marks) IB Questionbank Maths SL 16
17 36. A ball is thrown vertically upwards into the air. The height, h metres, of the ball above the ground after t seconds is given by h = t 5t 2, t 0 (a) Find the initial height above the ground of the ball (that is, its height at the instant when it is released). Show that the height of the ball after one second is 17 metres. (c) At a later time the ball is again at a height of 17 metres. (i) (ii) Write down an equation that t must satisfy when the ball is at a height of 17 metres. Solve the equation algebraically. (4) (d) (i) Find d h. dt (ii) (iii) Find the initial velocity of the ball (that is, its velocity at the instant when it is released). Find when the ball reaches its maximum height. (iv) Find the maximum height of the ball. (7) (Total 15 marks) IB Questionbank Maths SL 17
18 37. A family of functions is given by f (x) = x 2 + 3x + k, where k {1, 2, 3, 4, 5, 6, 7}. One of these functions is chosen at random. Calculate the probability that the curve of this function crosses the x-axis. 38. (a) Let y = 16x x 256. Given that y has a maximum value, find (i) the value of x giving the maximum value of y; (ii) this maximum value of y. The triangle XYZ has XZ = 6, YZ = x, XY = z as shown below. The perimeter of triangle XYZ is 16. (4) (i) Express z in terms of x. (ii) Using the cosine rule, express z 2 in terms of x and cos Z. (iii) Hence, show that cos Z = Let the area of triangle XYZ be A. 5x 16. 3x (7) (c) Show that A 2 = 9x 2 sin 2 Z. (d) Hence, show that A 2 = 16x x 256. (4) (e) (i) Hence, write down the maximum area for triangle XYZ. (ii) What type of triangle is the triangle with maximum area? (Total 20 marks) IB Questionbank Maths SL 18
19 39. (a) Consider the equation 4x 2 + kx + 1 = 0. For what values of k does this equation have two equal roots? Let f be the function f (θ ) = 2 cos 2θ + 4 cos θ + 3, for 360 θ 360. Show that this function may be written as f (θ ) = 4 cos 2 θ + 4 cos θ + 1. (1) (c) Consider the equation f (θ ) = 0, for 360 θ 360. (i) (ii) How many distinct values of cos θ satisfy this equation? Find all values of θ which satisfy this equation. (5) (d) Given that f (θ ) = c is satisfied by only three values of θ, find the value of c. (Total 11 marks) 40. The following diagram shows part of the graph of a quadratic function, with equation in the form y = (x p)(x q), where p, q. (a) Write down (i) the value of p and of q; (ii) the equation of the axis of symmetry of the curve. Find the equation of the function in the form y = (x h) 2 + k, where h, k. (c) Find d y. dx (d) Let T be the tangent to the curve at the point (0, 5). Find the equation of T. (Total 10 marks) IB Questionbank Maths SL 19
20 41. The diagram shows part of the graph of the curve y = a (x h) 2 + k, where a, h, k. y P(5, 9) x. (a) The vertex is at the point (3, 1). Write down the value of h and of k. The point P (5, 9) is on the graph. Show that a = 2. (c) Hence show that the equation of the curve can be written as y = 2x 2 12x (1) dy (d) (i) Find. dx A tangent is drawn to the curve at P (5, 9). (ii) (iii) Calculate the gradient of this tangent. Find the equation of this tangent. (4) (Total 10 marks) IB Questionbank Maths SL 20
Colegio del mundo IB. Programa Diploma REPASO 2. 1. The mass m kg of a radio-active substance at time t hours is given by. m = 4e 0.2t.
REPASO. The mass m kg of a radio-active substance at time t hours is given b m = 4e 0.t. Write down the initial mass. The mass is reduced to.5 kg. How long does this take?. The function f is given b f()
More informationwww.mathsbox.org.uk ab = c a If the coefficients a,b and c are real then either α and β are real or α and β are complex conjugates
Further Pure Summary Notes. Roots of Quadratic Equations For a quadratic equation ax + bx + c = 0 with roots α and β Sum of the roots Product of roots a + b = b a ab = c a If the coefficients a,b and c
More informationL 2 : x = s + 1, y = s, z = 4s + 4. 3. Suppose that C has coordinates (x, y, z). Then from the vector equality AC = BD, one has
The line L through the points A and B is parallel to the vector AB = 3, 2, and has parametric equations x = 3t + 2, y = 2t +, z = t Therefore, the intersection point of the line with the plane should satisfy:
More informationALGEBRA 2: 4.1 Graph Quadratic Functions in Standard Form
ALGEBRA 2: 4.1 Graph Quadratic Functions in Standard Form Goal Graph quadratic functions. VOCABULARY Quadratic function A function that can be written in the standard form y = ax 2 + bx+ c where a 0 Parabola
More informationMA107 Precalculus Algebra Exam 2 Review Solutions
MA107 Precalculus Algebra Exam 2 Review Solutions February 24, 2008 1. The following demand equation models the number of units sold, x, of a product as a function of price, p. x = 4p + 200 a. Please write
More informationAlgebra II A Final Exam
Algebra II A Final Exam Multiple Choice Identify the choice that best completes the statement or answers the question. Evaluate the expression for the given value of the variable(s). 1. ; x = 4 a. 34 b.
More informationPrentice Hall Mathematics: Algebra 2 2007 Correlated to: Utah Core Curriculum for Math, Intermediate Algebra (Secondary)
Core Standards of the Course Standard 1 Students will acquire number sense and perform operations with real and complex numbers. Objective 1.1 Compute fluently and make reasonable estimates. 1. Simplify
More information(a) We have x = 3 + 2t, y = 2 t, z = 6 so solving for t we get the symmetric equations. x 3 2. = 2 y, z = 6. t 2 2t + 1 = 0,
Name: Solutions to Practice Final. Consider the line r(t) = 3 + t, t, 6. (a) Find symmetric equations for this line. (b) Find the point where the first line r(t) intersects the surface z = x + y. (a) We
More informationSection 12.6: Directional Derivatives and the Gradient Vector
Section 26: Directional Derivatives and the Gradient Vector Recall that if f is a differentiable function of x and y and z = f(x, y), then the partial derivatives f x (x, y) and f y (x, y) give the rate
More informationSolving Quadratic Equations
9.3 Solving Quadratic Equations by Using the Quadratic Formula 9.3 OBJECTIVES 1. Solve a quadratic equation by using the quadratic formula 2. Determine the nature of the solutions of a quadratic equation
More informationAlgebra I Vocabulary Cards
Algebra I Vocabulary Cards Table of Contents Expressions and Operations Natural Numbers Whole Numbers Integers Rational Numbers Irrational Numbers Real Numbers Absolute Value Order of Operations Expression
More informationBiggar High School Mathematics Department. National 5 Learning Intentions & Success Criteria: Assessing My Progress
Biggar High School Mathematics Department National 5 Learning Intentions & Success Criteria: Assessing My Progress Expressions & Formulae Topic Learning Intention Success Criteria I understand this Approximation
More information7.1 Graphs of Quadratic Functions in Vertex Form
7.1 Graphs of Quadratic Functions in Vertex Form Quadratic Function in Vertex Form A quadratic function in vertex form is a function that can be written in the form f (x) = a(x! h) 2 + k where a is called
More informationSolutions for Review Problems
olutions for Review Problems 1. Let be the triangle with vertices A (,, ), B (4,, 1) and C (,, 1). (a) Find the cosine of the angle BAC at vertex A. (b) Find the area of the triangle ABC. (c) Find a vector
More informationa. all of the above b. none of the above c. B, C, D, and F d. C, D, F e. C only f. C and F
FINAL REVIEW WORKSHEET COLLEGE ALGEBRA Chapter 1. 1. Given the following equations, which are functions? (A) y 2 = 1 x 2 (B) y = 9 (C) y = x 3 5x (D) 5x + 2y = 10 (E) y = ± 1 2x (F) y = 3 x + 5 a. all
More informationAlgebra and Geometry Review (61 topics, no due date)
Course Name: Math 112 Credit Exam LA Tech University Course Code: ALEKS Course: Trigonometry Instructor: Course Dates: Course Content: 159 topics Algebra and Geometry Review (61 topics, no due date) Properties
More informationGRAPHING IN POLAR COORDINATES SYMMETRY
GRAPHING IN POLAR COORDINATES SYMMETRY Recall from Algebra and Calculus I that the concept of symmetry was discussed using Cartesian equations. Also remember that there are three types of symmetry - y-axis,
More informationSolutions to old Exam 1 problems
Solutions to old Exam 1 problems Hi students! I am putting this old version of my review for the first midterm review, place and time to be announced. Check for updates on the web site as to which sections
More informationcos Newington College HSC Mathematics Ext 1 Trial Examination 2011 QUESTION ONE (12 Marks) (b) Find the exact value of if. 2 . 3
1 QUESTION ONE (12 Marks) Marks (a) Find tan x e 1 2 cos dx x (b) Find the exact value of if. 2 (c) Solve 5 3 2x 1. 3 (d) If are the roots of the equation 2 find the value of. (e) Use the substitution
More informationHigher Education Math Placement
Higher Education Math Placement Placement Assessment Problem Types 1. Whole Numbers, Fractions, and Decimals 1.1 Operations with Whole Numbers Addition with carry Subtraction with borrowing Multiplication
More informationCORRELATED TO THE SOUTH CAROLINA COLLEGE AND CAREER-READY FOUNDATIONS IN ALGEBRA
We Can Early Learning Curriculum PreK Grades 8 12 INSIDE ALGEBRA, GRADES 8 12 CORRELATED TO THE SOUTH CAROLINA COLLEGE AND CAREER-READY FOUNDATIONS IN ALGEBRA April 2016 www.voyagersopris.com Mathematical
More informationx 2 + y 2 = 1 y 1 = x 2 + 2x y = x 2 + 2x + 1
Implicit Functions Defining Implicit Functions Up until now in this course, we have only talked about functions, which assign to every real number x in their domain exactly one real number f(x). The graphs
More informationThnkwell s Homeschool Precalculus Course Lesson Plan: 36 weeks
Thnkwell s Homeschool Precalculus Course Lesson Plan: 36 weeks Welcome to Thinkwell s Homeschool Precalculus! We re thrilled that you ve decided to make us part of your homeschool curriculum. This lesson
More informationUnderstanding Basic Calculus
Understanding Basic Calculus S.K. Chung Dedicated to all the people who have helped me in my life. i Preface This book is a revised and expanded version of the lecture notes for Basic Calculus and other
More information2After completing this chapter you should be able to
After completing this chapter you should be able to solve problems involving motion in a straight line with constant acceleration model an object moving vertically under gravity understand distance time
More informationExtra Credit Assignment Lesson plan. The following assignment is optional and can be completed to receive up to 5 points on a previously taken exam.
Extra Credit Assignment Lesson plan The following assignment is optional and can be completed to receive up to 5 points on a previously taken exam. The extra credit assignment is to create a typed up lesson
More information1 Shapes of Cubic Functions
MA 1165 - Lecture 05 1 1/26/09 1 Shapes of Cubic Functions A cubic function (a.k.a. a third-degree polynomial function) is one that can be written in the form f(x) = ax 3 + bx 2 + cx + d. (1) Quadratic
More information6.1 Add & Subtract Polynomial Expression & Functions
6.1 Add & Subtract Polynomial Expression & Functions Objectives 1. Know the meaning of the words term, monomial, binomial, trinomial, polynomial, degree, coefficient, like terms, polynomial funciton, quardrtic
More informationMATHEMATICS: PAPER I. 5. You may use an approved non-programmable and non-graphical calculator, unless otherwise stated.
NATIONAL SENIOR CERTIFICATE EXAMINATION NOVEMBER 015 MATHEMATICS: PAPER I Time: 3 hours 150 marks PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY 1. This question paper consists of 1 pages and an Information
More informationPRE-CALCULUS GRADE 12
PRE-CALCULUS GRADE 12 [C] Communication Trigonometry General Outcome: Develop trigonometric reasoning. A1. Demonstrate an understanding of angles in standard position, expressed in degrees and radians.
More informationMath Placement Test Practice Problems
Math Placement Test Practice Problems The following problems cover material that is used on the math placement test to place students into Math 1111 College Algebra, Math 1113 Precalculus, and Math 2211
More informationAlgebra 2 Chapter 1 Vocabulary. identity - A statement that equates two equivalent expressions.
Chapter 1 Vocabulary identity - A statement that equates two equivalent expressions. verbal model- A word equation that represents a real-life problem. algebraic expression - An expression with variables.
More informationSection 3.1 Quadratic Functions and Models
Section 3.1 Quadratic Functions and Models DEFINITION: A quadratic function is a function f of the form fx) = ax 2 +bx+c where a,b, and c are real numbers and a 0. Graphing Quadratic Functions Using the
More informationSouth Carolina College- and Career-Ready (SCCCR) Pre-Calculus
South Carolina College- and Career-Ready (SCCCR) Pre-Calculus Key Concepts Arithmetic with Polynomials and Rational Expressions PC.AAPR.2 PC.AAPR.3 PC.AAPR.4 PC.AAPR.5 PC.AAPR.6 PC.AAPR.7 Standards Know
More informationNational 5 Mathematics Course Assessment Specification (C747 75)
National 5 Mathematics Course Assessment Specification (C747 75) Valid from August 013 First edition: April 01 Revised: June 013, version 1.1 This specification may be reproduced in whole or in part for
More informationDear Accelerated Pre-Calculus Student:
Dear Accelerated Pre-Calculus Student: I am very excited that you have decided to take this course in the upcoming school year! This is a fastpaced, college-preparatory mathematics course that will also
More information( 1)2 + 2 2 + 2 2 = 9 = 3 We would like to make the length 6. The only vectors in the same direction as v are those
1.(6pts) Which of the following vectors has the same direction as v 1,, but has length 6? (a), 4, 4 (b),, (c) 4,, 4 (d), 4, 4 (e) 0, 6, 0 The length of v is given by ( 1) + + 9 3 We would like to make
More information1.3. Maximum or Minimum of a Quadratic Function. Investigate A
< P1-6 photo of a large arched bridge, similar to the one on page 292 or p 360-361of the fish book> Maximum or Minimum of a Quadratic Function 1.3 Some bridge arches are defined by quadratic functions.
More informationSOLUTIONS. f x = 6x 2 6xy 24x, f y = 3x 2 6y. To find the critical points, we solve
SOLUTIONS Problem. Find the critical points of the function f(x, y = 2x 3 3x 2 y 2x 2 3y 2 and determine their type i.e. local min/local max/saddle point. Are there any global min/max? Partial derivatives
More informationRELEASED. Student Booklet. Precalculus. Fall 2014 NC Final Exam. Released Items
Released Items Public Schools of North arolina State oard of Education epartment of Public Instruction Raleigh, North arolina 27699-6314 Fall 2014 N Final Exam Precalculus Student ooklet opyright 2014
More informationWeek 1: Functions and Equations
Week 1: Functions and Equations Goals: Review functions Introduce modeling using linear and quadratic functions Solving equations and systems Suggested Textbook Readings: Chapter 2: 2.1-2.2, and Chapter
More informationAlgebra 1 Course Title
Algebra 1 Course Title Course- wide 1. What patterns and methods are being used? Course- wide 1. Students will be adept at solving and graphing linear and quadratic equations 2. Students will be adept
More informationIf Σ is an oriented surface bounded by a curve C, then the orientation of Σ induces an orientation for C, based on the Right-Hand-Rule.
Oriented Surfaces and Flux Integrals Let be a surface that has a tangent plane at each of its nonboundary points. At such a point on the surface two unit normal vectors exist, and they have opposite directions.
More information10.1. Solving Quadratic Equations. Investigation: Rocket Science CONDENSED
CONDENSED L E S S O N 10.1 Solving Quadratic Equations In this lesson you will look at quadratic functions that model projectile motion use tables and graphs to approimate solutions to quadratic equations
More informationAdvanced Math Study Guide
Advanced Math Study Guide Topic Finding Triangle Area (Ls. 96) using A=½ bc sin A (uses Law of Sines, Law of Cosines) Law of Cosines, Law of Cosines (Ls. 81, Ls. 72) Finding Area & Perimeters of Regular
More informationReview of Fundamental Mathematics
Review of Fundamental Mathematics As explained in the Preface and in Chapter 1 of your textbook, managerial economics applies microeconomic theory to business decision making. The decision-making tools
More informationQUADRATIC EQUATIONS AND FUNCTIONS
Douglas College Learning Centre QUADRATIC EQUATIONS AND FUNCTIONS Quadratic equations and functions are very important in Business Math. Questions related to quadratic equations and functions cover a wide
More informationAlgebra 2: Q1 & Q2 Review
Name: Class: Date: ID: A Algebra 2: Q1 & Q2 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which is the graph of y = 2(x 2) 2 4? a. c. b. d. Short
More informationy intercept Gradient Facts Lines that have the same gradient are PARALLEL
CORE Summar Notes Linear Graphs and Equations = m + c gradient = increase in increase in intercept Gradient Facts Lines that have the same gradient are PARALLEL If lines are PERPENDICULAR then m m = or
More informationMore Quadratic Equations
More Quadratic Equations Math 99 N1 Chapter 8 1 Quadratic Equations We won t discuss quadratic inequalities. Quadratic equations are equations where the unknown appears raised to second power, and, possibly
More information1.1 Practice Worksheet
Math 1 MPS Instructor: Cheryl Jaeger Balm 1 1.1 Practice Worksheet 1. Write each English phrase as a mathematical expression. (a) Three less than twice a number (b) Four more than half of a number (c)
More informationSolving Simultaneous Equations and Matrices
Solving Simultaneous Equations and Matrices The following represents a systematic investigation for the steps used to solve two simultaneous linear equations in two unknowns. The motivation for considering
More informationElements of a graph. Click on the links below to jump directly to the relevant section
Click on the links below to jump directly to the relevant section Elements of a graph Linear equations and their graphs What is slope? Slope and y-intercept in the equation of a line Comparing lines on
More informationExam 1 Sample Question SOLUTIONS. y = 2x
Exam Sample Question SOLUTIONS. Eliminate the parameter to find a Cartesian equation for the curve: x e t, y e t. SOLUTION: You might look at the coordinates and notice that If you don t see it, we can
More informationParametric Equations and the Parabola (Extension 1)
Parametric Equations and the Parabola (Extension 1) Parametric Equations Parametric equations are a set of equations in terms of a parameter that represent a relation. Each value of the parameter, when
More informationMATH 095, College Prep Mathematics: Unit Coverage Pre-algebra topics (arithmetic skills) offered through BSE (Basic Skills Education)
MATH 095, College Prep Mathematics: Unit Coverage Pre-algebra topics (arithmetic skills) offered through BSE (Basic Skills Education) Accurately add, subtract, multiply, and divide whole numbers, integers,
More informationAlgebra II End of Course Exam Answer Key Segment I. Scientific Calculator Only
Algebra II End of Course Exam Answer Key Segment I Scientific Calculator Only Question 1 Reporting Category: Algebraic Concepts & Procedures Common Core Standard: A-APR.3: Identify zeros of polynomials
More informationReview Sheet for Test 1
Review Sheet for Test 1 Math 261-00 2 6 2004 These problems are provided to help you study. The presence of a problem on this handout does not imply that there will be a similar problem on the test. And
More informationEL-9650/9600c/9450/9400 Handbook Vol. 1
Graphing Calculator EL-9650/9600c/9450/9400 Handbook Vol. Algebra EL-9650 EL-9450 Contents. Linear Equations - Slope and Intercept of Linear Equations -2 Parallel and Perpendicular Lines 2. Quadratic Equations
More informationWhat are the place values to the left of the decimal point and their associated powers of ten?
The verbal answers to all of the following questions should be memorized before completion of algebra. Answers that are not memorized will hinder your ability to succeed in geometry and algebra. (Everything
More information*X100/12/02* X100/12/02. MATHEMATICS HIGHER Paper 1 (Non-calculator) MONDAY, 21 MAY 1.00 PM 2.30 PM NATIONAL QUALIFICATIONS 2012
X00//0 NTIONL QULIFITIONS 0 MONY, MY.00 PM.0 PM MTHEMTIS HIGHER Paper (Non-calculator) Read carefully alculators may NOT be used in this paper. Section Questions 0 (40 marks) Instructions for completion
More informationAnswer Key for California State Standards: Algebra I
Algebra I: Symbolic reasoning and calculations with symbols are central in algebra. Through the study of algebra, a student develops an understanding of the symbolic language of mathematics and the sciences.
More informationPRACTICE FINAL. Problem 1. Find the dimensions of the isosceles triangle with largest area that can be inscribed in a circle of radius 10cm.
PRACTICE FINAL Problem 1. Find the dimensions of the isosceles triangle with largest area that can be inscribed in a circle of radius 1cm. Solution. Let x be the distance between the center of the circle
More information3.3. Solving Polynomial Equations. Introduction. Prerequisites. Learning Outcomes
Solving Polynomial Equations 3.3 Introduction Linear and quadratic equations, dealt within Sections 3.1 and 3.2, are members of a class of equations, called polynomial equations. These have the general
More informationAlgebra 2 Year-at-a-Glance Leander ISD 2007-08. 1st Six Weeks 2nd Six Weeks 3rd Six Weeks 4th Six Weeks 5th Six Weeks 6th Six Weeks
Algebra 2 Year-at-a-Glance Leander ISD 2007-08 1st Six Weeks 2nd Six Weeks 3rd Six Weeks 4th Six Weeks 5th Six Weeks 6th Six Weeks Essential Unit of Study 6 weeks 3 weeks 3 weeks 6 weeks 3 weeks 3 weeks
More informationDERIVATIVES AS MATRICES; CHAIN RULE
DERIVATIVES AS MATRICES; CHAIN RULE 1. Derivatives of Real-valued Functions Let s first consider functions f : R 2 R. Recall that if the partial derivatives of f exist at the point (x 0, y 0 ), then we
More informationPolynomial and Rational Functions
Polynomial and Rational Functions Quadratic Functions Overview of Objectives, students should be able to: 1. Recognize the characteristics of parabolas. 2. Find the intercepts a. x intercepts by solving
More informationPARABOLAS AND THEIR FEATURES
STANDARD FORM PARABOLAS AND THEIR FEATURES If a! 0, the equation y = ax 2 + bx + c is the standard form of a quadratic function and its graph is a parabola. If a > 0, the parabola opens upward and the
More informationTwo vectors are equal if they have the same length and direction. They do not
Vectors define vectors Some physical quantities, such as temperature, length, and mass, can be specified by a single number called a scalar. Other physical quantities, such as force and velocity, must
More informationSection 3.2 Polynomial Functions and Their Graphs
Section 3.2 Polynomial Functions and Their Graphs EXAMPLES: P(x) = 3, Q(x) = 4x 7, R(x) = x 2 +x, S(x) = 2x 3 6x 2 10 QUESTION: Which of the following are polynomial functions? (a) f(x) = x 3 +2x+4 (b)
More informationPaper Reference. Ruler graduated in centimetres and millimetres, protractor, compasses, pen, HB pencil, eraser. Tracing paper may be used.
Centre No. Candidate No. Paper Reference 1 3 8 0 3 H Paper Reference(s) 1380/3H Edexcel GCSE Mathematics (Linear) 1380 Paper 3 (Non-Calculator) Higher Tier Monday 18 May 2009 Afternoon Time: 1 hour 45
More informationH.Calculating Normal Vectors
Appendix H H.Calculating Normal Vectors This appendix describes how to calculate normal vectors for surfaces. You need to define normals to use the OpenGL lighting facility, which is described in Chapter
More information6 EXTENDING ALGEBRA. 6.0 Introduction. 6.1 The cubic equation. Objectives
6 EXTENDING ALGEBRA Chapter 6 Extending Algebra Objectives After studying this chapter you should understand techniques whereby equations of cubic degree and higher can be solved; be able to factorise
More informationAP Calculus AB 2004 Free-Response Questions
AP Calculus AB 2004 Free-Response Questions The materials included in these files are intended for noncommercial use by AP teachers for course and exam preparation; permission for any other use must be
More informationUnit 7 Quadratic Relations of the Form y = ax 2 + bx + c
Unit 7 Quadratic Relations of the Form y = ax 2 + bx + c Lesson Outline BIG PICTURE Students will: manipulate algebraic expressions, as needed to understand quadratic relations; identify characteristics
More informationSolutions to Homework 10
Solutions to Homework 1 Section 7., exercise # 1 (b,d): (b) Compute the value of R f dv, where f(x, y) = y/x and R = [1, 3] [, 4]. Solution: Since f is continuous over R, f is integrable over R. Let x
More informationContents. 2 Lines and Circles 3 2.1 Cartesian Coordinates... 3 2.2 Distance and Midpoint Formulas... 3 2.3 Lines... 3 2.4 Circles...
Contents Lines and Circles 3.1 Cartesian Coordinates.......................... 3. Distance and Midpoint Formulas.................... 3.3 Lines.................................. 3.4 Circles..................................
More informationsekolahsultanalamshahkoleksisoalansi jilpelajaranmalaysiasekolahsultanala mshahkoleksisoalansijilpelajaranmala ysiasekolahsultanalamshahkoleksisoal
sekolahsultanalamshahkoleksisoalansi jilpelajaranmalaysiasekolahsultanala mshahkoleksisoalansijilpelajaranmala ysiasekolahsultanalamshahkoleksisoal KOLEKSI SOALAN SPM ansijilpelajaranmalaysiasekolahsultan
More information5-3 Polynomial Functions. not in one variable because there are two variables, x. and y
y. 5-3 Polynomial Functions State the degree and leading coefficient of each polynomial in one variable. If it is not a polynomial in one variable, explain why. 1. 11x 6 5x 5 + 4x 2 coefficient of the
More informationLesson 9.1 Solving Quadratic Equations
Lesson 9.1 Solving Quadratic Equations 1. Sketch the graph of a quadratic equation with a. One -intercept and all nonnegative y-values. b. The verte in the third quadrant and no -intercepts. c. The verte
More informationWEDNESDAY, 2 MAY 1.30 PM 2.25 PM. 3 Full credit will be given only where the solution contains appropriate working.
C 500/1/01 NATIONAL QUALIFICATIONS 01 WEDNESDAY, MAY 1.0 PM.5 PM MATHEMATICS STANDARD GRADE Credit Level Paper 1 (Non-calculator) 1 You may NOT use a calculator. Answer as many questions as you can. Full
More informationFigure 1.1 Vector A and Vector F
CHAPTER I VECTOR QUANTITIES Quantities are anything which can be measured, and stated with number. Quantities in physics are divided into two types; scalar and vector quantities. Scalar quantities have
More informationINVESTIGATIONS AND FUNCTIONS 1.1.1 1.1.4. Example 1
Chapter 1 INVESTIGATIONS AND FUNCTIONS 1.1.1 1.1.4 This opening section introduces the students to man of the big ideas of Algebra 2, as well as different was of thinking and various problem solving strategies.
More informationLinear Equations. Find the domain and the range of the following set. {(4,5), (7,8), (-1,3), (3,3), (2,-3)}
Linear Equations Domain and Range Domain refers to the set of possible values of the x-component of a point in the form (x,y). Range refers to the set of possible values of the y-component of a point in
More informationPractice Test Answer and Alignment Document Mathematics: Algebra II Performance Based Assessment - Paper
The following pages include the answer key for all machine-scored items, followed by the rubrics for the hand-scored items. - The rubrics show sample student responses. Other valid methods for solving
More informationFACTORING QUADRATICS 8.1.1 and 8.1.2
FACTORING QUADRATICS 8.1.1 and 8.1.2 Chapter 8 introduces students to quadratic equations. These equations can be written in the form of y = ax 2 + bx + c and, when graphed, produce a curve called a parabola.
More informationwww.sakshieducation.com
LENGTH OF THE PERPENDICULAR FROM A POINT TO A STRAIGHT LINE AND DISTANCE BETWEEN TWO PAPALLEL LINES THEOREM The perpendicular distance from a point P(x 1, y 1 ) to the line ax + by + c 0 is ax1+ by1+ c
More informationx(x + 5) x 2 25 (x + 5)(x 5) = x 6(x 4) x ( x 4) + 3
CORE 4 Summary Notes Rational Expressions Factorise all expressions where possible Cancel any factors common to the numerator and denominator x + 5x x(x + 5) x 5 (x + 5)(x 5) x x 5 To add or subtract -
More informationAlgebra 2/Trig Unit 2 Notes Packet Period: Quadratic Equations
Algebra 2/Trig Unit 2 Notes Packet Name: Date: Period: # Quadratic Equations (1) Page 253 #4 6 **Check on Graphing Calculator (GC)** (2) Page 253 254 #20, 26, 32**Check on GC** (3) Page 253 254 #10 12,
More informationMath 120 Final Exam Practice Problems, Form: A
Math 120 Final Exam Practice Problems, Form: A Name: While every attempt was made to be complete in the types of problems given below, we make no guarantees about the completeness of the problems. Specifically,
More information5.3 The Cross Product in R 3
53 The Cross Product in R 3 Definition 531 Let u = [u 1, u 2, u 3 ] and v = [v 1, v 2, v 3 ] Then the vector given by [u 2 v 3 u 3 v 2, u 3 v 1 u 1 v 3, u 1 v 2 u 2 v 1 ] is called the cross product (or
More information1 3 4 = 8i + 20j 13k. x + w. y + w
) Find the point of intersection of the lines x = t +, y = 3t + 4, z = 4t + 5, and x = 6s + 3, y = 5s +, z = 4s + 9, and then find the plane containing these two lines. Solution. Solve the system of equations
More informationGraphic Designing with Transformed Functions
Math Objectives Students will be able to identify a restricted domain interval and use function translations and dilations to choose and position a portion of the graph accurately in the plane to match
More informationHSC Mathematics - Extension 1. Workshop E4
HSC Mathematics - Extension 1 Workshop E4 Presented by Richard D. Kenderdine BSc, GradDipAppSc(IndMaths), SurvCert, MAppStat, GStat School of Mathematics and Applied Statistics University of Wollongong
More informationGraphing Linear Equations
Graphing Linear Equations I. Graphing Linear Equations a. The graphs of first degree (linear) equations will always be straight lines. b. Graphs of lines can have Positive Slope Negative Slope Zero slope
More informationPrecalculus REVERSE CORRELATION. Content Expectations for. Precalculus. Michigan CONTENT EXPECTATIONS FOR PRECALCULUS CHAPTER/LESSON TITLES
Content Expectations for Precalculus Michigan Precalculus 2011 REVERSE CORRELATION CHAPTER/LESSON TITLES Chapter 0 Preparing for Precalculus 0-1 Sets There are no state-mandated Precalculus 0-2 Operations
More informationLogo Symmetry Learning Task. Unit 5
Logo Symmetry Learning Task Unit 5 Course Mathematics I: Algebra, Geometry, Statistics Overview The Logo Symmetry Learning Task explores graph symmetry and odd and even functions. Students are asked to
More informationAlgebra II. Weeks 1-3 TEKS
Algebra II Pacing Guide Weeks 1-3: Equations and Inequalities: Solve Linear Equations, Solve Linear Inequalities, Solve Absolute Value Equations and Inequalities. Weeks 4-6: Linear Equations and Functions:
More information12.5 Equations of Lines and Planes
Instructor: Longfei Li Math 43 Lecture Notes.5 Equations of Lines and Planes What do we need to determine a line? D: a point on the line: P 0 (x 0, y 0 ) direction (slope): k 3D: a point on the line: P
More information100. In general, we can define this as if b x = a then x = log b
Exponents and Logarithms Review 1. Solving exponential equations: Solve : a)8 x = 4! x! 3 b)3 x+1 + 9 x = 18 c)3x 3 = 1 3. Recall: Terminology of Logarithms If 10 x = 100 then of course, x =. However,
More information