Integrated Algebra - June 2009

22 What is an equation of the line that passes through the point (4,-6) and has a slope of -3?

(1) y = -3x +6     (3) y = -3x + 10
(2) y = -3x -6      (4) y = -3x + 14

24 The equation y = x2 + 3x - 18 is graphed on the set of axes below.

Based on this graph, what are the roots of the equation x2 + 3x - 18 = 0?

(1) -3 and 6       (3) 3 and -6
(2) 0 and -18     (4) 3 and -18

25 What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9
and x - y = 3?

(1) 6     (3) 3
(2) 2     (4) 5

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