Coordinate Plane, Slope, and Lines LongTerm Memory Review Review 1


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1 Review. What does slope of a line mean?. How do you find the slope of a line? 4. Plot and label the points A (3, ) and B (, ). a. From point B to point A, by how much does the yvalue change? b. From point B to point A, by how much does the xvalue change? c. What is the slope of AB? 5. Using points A ( 3,) and B (, 0), what is the slope of AB?
2 Review. What does slope of a line mean?. How do you find the slope of a line? 4. Identify the slope of the following lines as positive, negative, zero and no/undefined slope: 5. In the equation y 3x : the slope is and the yintercept is. 6. What is the yintercept of the graph below?
3 Review 3. What does slope of a line mean?. How do you find the slope of a line? 4. Identify the slope of the following lines as positive, negative, zero and no/undefined slope: 5. Plot the points A (0,) and B (, 0). a. From point B to point A, by how much does the yvalue change? x b. From point B to point A, by how much does the xvalue change? c. What is the slope of AB? d. What is the yintercept of AB? e. What is the equation of the line in standard form Ax By C? 6. Use the information in question #5 above. What is the correct equation of the line? A. y x B. y x C. y x D. y x
4 Review 4. What does slope of a line mean?. How do you find the slope of a line? 4. In the equation y x 4 : the slope is and the yintercept is. 5. Using the following graph: a. What is the slope of the line? b. What is the yintercept? c. What is the equation of the line? y = x+ 6. For the lines y = 3 x and y = 4 x : a. What do you notice about the lines? b. What do you notice about the slope (from the equations)? c. What conclusion can you make about the slopes of lines that parallel?
5 Quiz. What does slope of a line mean?. How do you find the slope of a line? 4. In the equation y x 4 : the slope is and the yintercept is 5. Identify the slope of the following lines as positive, negative, zero and no/undefined slope: 6. What is the slope of the line in the following graph? A. 3 B. C. 3 D Two lines are parallel if they have the same. 8. What is the slope of a line that passes through the points (, 4) and (, 4)? 9. Which of the following is the correct graph of y = x + 3? A. B. C. D.
6 ANSWERS Review  Answers. Slope means the slant of a line. (steepness, how much it rises for a given distance, etc). 4. a. 4 b. 5 c or Review  Answers. Slope means the slant of a line. (steepness, how much it rises for a given distance, etc). 4. no slope or undefined negative slope positive slope zero slope 5. slope 3; yintercept 6, yintercept 3 Review 3  Answers. Slope means the slant of a line. (steepness, how much it rises for a given distance, etc). 4. no slope or undefined negative slope positive slope zero slope 5. a. b.  c. d. e. x y 6. C. y x
7 Review 4  Answers. Slope means the slant of a line. (steepness, how much it rises for a given distance, etc). 4. slope ; yintercept 4 5. A. slope 4 ; B. yintercept 4 C. y 4x 4 6. A. The lines have the same slope, do not intersect, are parallel. B. both lines have slope C. The slopes of parallel lines are equal. Quiz  Answers. Slope means the slant of a line. (steepness, how much it rises for a given distance, etc). 4. slope ; yintercept 4 5. no slope or undefined negative slope positive slope zero slope 6. B. 7. slope C.
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