# The Mathematics Diagnostic Test

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1 The Mathematics iagnostic Test Mock Test and Further Information 010 In welcome week, students will be asked to sit a short test in order to determine the appropriate lecture course, tutorial group, whether they appear to be underachieving on any particular topic and also to gauge the general mathematical profile of the group. This test should NOT be seen as daunting in any sense. We have found that many students wish to see a mock test and other associated material. The resources mentioned below are provided on the following pages. Pages -8 Page 9 Pages Page 15 Mock iagnostic Test Answers to Questions in iagnostic Test References to topics for similar Questions lectronic Questions on these topics If you have any questions regarding this mock test, the diagnostic process, the transition to University mathematics etc, please contact r Steele Tel : colin.steele@manchester.ac.uk 1

3 Section A A1. If y 9 y 4 = y n which is the value of n. A. Solve the equation 5x + 11 = 36 and give the value for x. A3. Solve the simultaneous equations and give the value for x. 3x y = 6 4x + y = A4. If y = 7 1, which of the following is an expression for x? x + F H A Some other answer A Some other answer A Some other answer A4 7 y y y y 1 7 y + 1 Some other answer Section B B5. To how many degrees does π/5 radians correspond? B6. In the circle above, if angle AOB is radians and the length of OA is 3 units, what is the area of the minor sector AOB. B7. If sin θ = 1 and 5π < θ < 4π, what is the value of θ? ( ) 3π B8. Simplify sin + θ F H B Some other answer B6 π 6 6π 9π Some other answer B7 π/6 5π/6 13π/6 17π/6 5π/6 Some other answer B8 sin θ sin θ cos θ cos θ sin θ 3 π Some other answer 3

6 Section I I33. Which of the following is a simplified version of x + x 4 x + : (x 1) : (x + ) : x F : x + x 6 : x + x (x + ) H : None of the above? I34. If x + 7 (x 3) (x + ) can be expressed in partial fractions as A x 3 + B, what is the value of A? x + I35. Which of the following is the most appropriate partial fractions for : : P x 1 + Q x + 3 P x 1 + : P x + Q x 1 Q (x 1) + R x Rx + S x + 3 P : x 1 + F : P x + Q x 1 Q x Rx + S x T x + V (x + 3) H : None of the above R (x + 3) x 7 (x 1) (x + 3)? I36. In the series expansion in ascending powers of x for (1 x) 5/, what is the coefficient of x 3? F H I33 F Some other answer I Some other answer I35 F Some other answer I Some other answer 6

7 Section J J37. Which of the following is the derivative (with respect to x ) of 4 sin 3 x J38. Which of the following is the derivative (with respect to x ) of xe x J39. Which of the following is the derivative (with respect to x ) of sin x x x cos x sin x sin x x cos x : x : x x sin x cos x x sin x cos x : x F : sin x x cos x sin x : sin H : None of the above x? J40. If y + x sin y = e x, find the derivative dy dy at the point x = 0, y = 1. In which range does dx dx lie F H J37 1 sin x cos x 1 cos x sin x 1 sin x 1 cos x 4 cos 3 x Some other answer J38 xe x xe x + e x xe x e x xe x e x x + 1 ex e x Some other answer J39 F Some other answer J to to to to to 0. Some other answer Section K K41. Which of the following is sec 3x dx? K4. Using a trigonometric identity, the integral sin xdx can be shown to equal f(x) + trig term +. Which of the following could f(x) equal? K43. Use the substitution u = + sin x to find π/ cos x 0 + sin x dx. In which range does the integral lie? K44. Using integration by parts, find xe 3x dx. Which of the following does it equal? : 1 3 xe3x 1 9 e3x + : xe 3x 1 3 e3x + : 1 3 xe3x e3x + F : xe 3x e3x + : 1 3 x e 3x 1 9 xe3x + H : None of the above F H 1 K41 3 sec3 3x sec3 3x tan 3x cot 3x + 1 tan 3x + Some other answer 3 x 3x x x 1 K4 Some other answer K43 0 to to to to to 0.5 Some other answer K44 F Some other answer 7

8 Section L L45. iven that a= i 3j+k and b= 3i + 3j k, which of the following is the vector a+b : 5i k : 5i + j k : i 6j + 3k F : i + j 3k : 5i 3j + k H : None of the above L46. For the vectors in L45, which is a unit vector parallel to a : 14 i j k : 14 i 3 14 j k : i + 3 j 1 k F : i + 3 j 1 k : 14 i j k H : None of the above L47. For the vectors in L45, which of the following is the scalar product a b L48. Which of the following is the vector from ( 3, 4, ) to (1, 1, 6) : 4i + 3j 4k : 4i 3j + 4k : i + 5j + 8k F : i 5j 8k : i +.5j + 4k H : None of the above F H L45 F Some other answer L46 F Some other answer L47 3i + 7j + 15k 6i 9j k Some other answer L48 F Some other answer N OF TST 8

9 Answers to the questions are as given below A1 A A3 A4 B5 B6 H B7 F B8 F F H 0 H F1 F F3 F F4 F 5 F H9 H30 H31 H3 I33 I34 I35 I36 J37 J38 J39 J40 K41 K4 K43 K44 L45 L46 L47 L48 9

10 Reference to topics for similar questions ach section (of this test and of the September test) consists of 4 questions on a given topic. In practice, there are more than 4 possible question types for each topic. The areas which may come up on the September test are listed below for each topic. Later there follows a set of references to further information on the areas of subject matter. Section A : Pre A-level algebra 1. Putting numbers in simple formula. Simple linear equation 3. alculation of indices for a product 4. alculation of indices for a quotient 5. alculation of indices for a power 6. Re-arrange a formula 7. Two simultaneous equations 8. Rationalise a surd 9. Simple inequations Section B : eometry and Trigonometry 1. onversion between degrees and radians. Lengths of arcs 3. Areas of sectors 4. Simple right-angle trigonometry 5. Values of sec, csc and cot 6. Sine rule 7. osine rule 8. Simple trig identities 9. Finding θ from a trig ratio and a range of θ. 10. oordinate systems 11. quation of a straight line 1. Parallel and perpendicular lines 13. onversions between polar and rectangular systems. 14. eometry of circles Section : Series 1. Finding a term from a general form. Finding common difference 3. Sum of arithmetic sequence 4. Other manipulations with arithmetic sequences/series 5. Finding common ratio (geometric series) 6. Sum of terms of geometric series 7. Sum to infinity 8. Other manipulations with geometric series 10

11 Section : Functions 1. valuate a simple function. omposite Function 3. The modulus function 4. Inverse Function 5. Properties of f(x ± a) on the basis of f(x) 6. Properties of f(ax) on the basis of f(x) 7. Odd and ven functions Section : Polynomials 1. Multiplying out brackets. Factorisation of quadratics 3. omplete the square 4. Solve quadratic equation 5. Factorise a cubic 6. Binomial xpansion 7. Remainder on division when one polynomial is divided by another Section F : Logarithms and xponentials 1. Log of a number to a given base.. Laws of logarithms 3. Solve a x = b for given a and b. 4. Manipulations involving y = A + be cx. 5. raphs of logx and e x. Section : ifferentiation 1. ifferentiation of a polynomial. Location of maxima and minima 3. ifferentiation of log e x, e x, sin x, cos x. 4. hain rule for differentiation 5. Product Rule 6. Quotient Rule 7. radient of Tangent Section H : Integration 1. Integrate a Polynomial. Integrate simple trig expressions 3. Integrate an exponential 4. efinite integrals 5. Manipulate and expression into polynomial and integrate 6. Area under a curve 7. Area between Section I : Further Algebra 1. Algebraic Simplification of rational functions. Simple Partial Fractions 3. Form of Partial Fractions for repeated terms in denominator 4. The Binomial Series 5. For of Partial Fractions when numerator is of equal or greater degree than denominator. 11

12 Section J : Further ifferentiation 1. ifferentiation of more difficult trigonometric expressions. The Product Rule 3. The Quotient Rule 4. Parametric form of functions 5. Parametric differentiation 6. Implicit differentiation Section K : Further Integration 1. Integration of sin px and cos px. Integration of tan px, sec px,csc px,cot px 3. Integration by substitution 4. volumes of revolution 5. Integration by parts Section L : Vectors 1. Vectors in component form. Addition/subtration of vectors 3. Multiplication of vector by scalar 4. Magnitude of Vector 5. Vectors from point to point 6. Unit Vectors parallel to given vectors 7. The Scalar Product 8. Vector equation of lines The following tables show where similar questions and worked solutions can be found and also where some notes about the topics can be found. As well as references specific to individual questions, references relevant to sections of the test are given too. The texts are Stroud : - ngineering Mathematics by KA Stroud. 5th edition, published by Palgrave. F:1-11 means sections 1-11 of chapter F; 13:5-10 means sections 5-10 of chapter 13. roft :- Mathematics for ngineering - A modern interactive approach by A roft and R avison. Published by Pearson. 5.3 means block 3 within chapter means block 3.1 within chapter 5. Pledger : Heinemann Modules Mathematics for dexcel AS and A-level by K Pledger et. al. Volumes 1,, 3 and 4. 1:8 means chapter 8 of volume 1 S-ool : web-based resource. nter via the maths page MathsNet : web-based resource. Was formerly free but now relies on subscription. Note that there are differences between the sections for Pledger and MathsNet despite the similar appearances. Students should feel free to report other frequently-used resources against which cross-references can be made. Please send an to colin.steele@manchester.ac.uk mentioning a preferred web-based resource and this will be considered for addition to the resources above. 1

13 Question Stroud roft Pledger S-cool MathsNet A1 F3: A F5: : A3 F: :1 1: A4 F: :1 1: A5 F: :1 1: A6 F3: A7 F5: :3 1:3 A8 1:1 1:1 A :3 1:3 Sect A F1,F,F3,F5 1 and 3 Basic Algebra B1 F8: :6 :4 B :6 :4 B3 :6 :4 B4 F8: to 5..4 B5 F8: :6 3: B6 6. : :4 B7 6.3 : :4 B8 F8: :10 :4 B9 5.3 :10 B10 F4:5 1:5 1:3 B11 8: and :5 1:3 B1 1:5 1:3 B13 :1-7 B14 :4 : Sect B F8 5 and 6 oord. eometry, Trig :6 1:4 13: :6 1:4 3 13: :6 1:4 4 13: :6 1:4 5 13: :7 :3 6 13: :7 :3 7 13: :7 :3 8 13: :7 :3 Sect Sequences and Series 1 F1: : 3:1 F1: : 3: :5 3:1 4 F1: : 3:1 5 3:5 3:1 6 3:5 3:1 7 F1:68-75 Sect F1 Functions 1 F: :1 1: F: :1 1: 3 F6: :3 1: 4 F6: :3 1: 5 F6: : 6 F9: :5 7 F:48-5 :1 Sect F,F6,F9 1 and 3 Basic Algebra 13

14 Question Stroud roft Pledger s-cool MathsNet F1 F: to 4..3 :3 :5 F F: :3 :5 F3 F:61-66 :3 :5 F4 4.3 to 4.4 3:3 :5 F5 F1: and :3 :5 Sect F F:F1 4. Advanced Algebra 1 F10: :7 1:5 9: :9 :6 3 F10: :8 3:4 4 7: :8 3:4 5 F10: :8 3:4 6 F10: :8 3:4 7 F10: :7 1:5 Sect F10,7,8,9 11 and 1 ifferentiation H1 F11: :8 1:6 H F11: :6 4:4 H3 F11: :6 4:4 H4 F11: :11 :7 H5 4:6 H6 F11: :11 :7 H7 F11:37-40 :11 Sect H F11 13 Integration I1 3:1 3:1 I F7: :1 4:1 I3 F7: :1 4:1 I4 14: :3 4:3 I5 F7: :1 4:1 Sect I F7 3.6 Advanced Algebra J1 7: :8 3:4 J 7: :8 3:4 J3 7: :8 3:4 J4 7: : 4:4 J5 7: :4 4:4 J6 7:6-30 4:4 4:4 Sect J 7 1 P3: ifferentiation K1 15: :6 K 15: :6 K3 15: :6 4:5 K4 19: K5 15: :6 4:5 Sect K and 14 Integration L1 6: and :5 4:6 L and :5 4:6 L :5 4:6 L :5 4:6 L :5 4:6 L6 L7 6: :5 4:6 L :5 4:6 Sect L 6 Vectors, Lines and Planes 14

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