Asked by Blaine

Each pair of points lies on a line with the given slope. Find x

(2,4) (x,8). Slope is -2
Answered by oobleck
since the slope is -2, and y changed from 4 to 8 (4),
x changes by -1/2 * 4 = -2
So, x = 0
Answered by henry2,
(8-4)/(x-2) = -2
4/(x-2) = -2
4 = -2(x-2)
x-2 = -2
X = 0.

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