Ch 5 Review 2

2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 What is the equation of this line? x = 4 x + y = 4 y = 4x y = 4 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 -5/4 5/4 -4/5 4/5 What is the slope of this line? 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 What is the equation of this line? y = -6 x - y = 6 x = -6 x + y = -6 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 -1/2 -2 1/2 2 What is the slope of a line that is parallel to this line? 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 What is the slope of a line that is perpendicular to this line? 1/2 2 -1 1 a b c Which line hasa negative slope? a b c none of the above a d b c Which line has aslope of zero? a b c d Find the slope of a line that passes through (4, 2) and (-6, 6). 1/6 -2/5 2 -2 Which point is on the line y = -2x - 1? (0, -1) (-1, 1) (-3, 5) all of the above What is the slope and y-intercept of y = -½x + 3?m = -1/2; (3, 0) m = -1/2; (0, 3) m = 3; (0, -1/2) m = 1/2; (2, 3) What is the x-intercept of 3x - 6y = -9?(3/2, 0) (0, 3/2) (-3, 0) (0, -3) What are the x- and y-intercepts of 2x - y = 4? (0, 2) and (0, -4) (2, 0) and (0, 4) (2, -4) (2, 0) and (0, -4) What is the equation of a line that passes through (4, -5) and has a slope of 2? y + 5 = 2(x - 4) y - 5 = 2(x - 4) y - 4 = 2(x + 5) y - 4 = 2(x - 5) What is the given point and slope in the equation y - 6 = -(x + 3)?m = point = ( , ) Which equation goes through (-6, 2) and hasa slope of -½? y = ½x - 6 y = 2x - 6 y = -½x + 5 y = -½x - 1 Are the lines parallel, perpendicular or neither? parallel perpendicular neither y = ⅓x + 4 y = 3x - 1 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 What is x-intercept of this line? (0, 3) (3, 0) (1, 0) (0, 1) a c b d Which line(s) have a positive slope? b d c & d a What is the equation of this line? y = x + 1 y = -x y = x y = 0 Just one more! YOU CAN do this! Which describes slope? rise y _{2}vertical change the steepness of a line all of the above x _{2}horizontal change run - x _{1}- y _{1}Until next time.... Remember...Those who try are infinitely better than those who try to do nothing and to do something and S u c e e d Fail |

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