Algebra I Module 3 Quiz 1

What is the slope of the line defined by the following equation: y = -3x + 2 x -2 -3x -3 What is the rate of change for the above data table? x y 1/7 1/4 1 7 4 1 11 2 18 3 25 4 32 5 2/3 -3/2 -2/3 3/2 What is the slope of the line segment? Calculate the slope of the line that passes through the points (1, -2) and (5, 6). 2 -2 1/2 -1/2 Calculate the slope of the following equation: 2 1 5 -2 -2x + y = 10 What is the x-intercept of the following equation? (2, 0) (0, 2) (-3, 0) (0, -3) 3x - 2y = 6 Which of the graphs represents a direct variation? a) c) b) d) What is the rate of change for the above data table? x y 15 2 -4 -2 2 4 11 4 6 7 8 3 10 -1 Which of the following tables represents a direct variation? a) b) y y x x -2 6 1 3 -6 2 2 4 -18 3 5 6 c) d) x y x y 10 0 2 -4 2 4 0 0 10 4 8 4 Which of the following equations is a direct variation? y = 7x y = 3x - 1 y = 5 2x -5y = 10 |

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