# Algebra

Write an equation of the line passing through each of the following pairs of points.

(4, 0), (−2, 8)

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1. the slope is 8/-6 = -4/3
So, using the point-slope form,
y = -4/3 (x-4)
or
y-8 = -4/3 (x+2)

you can verify that they describe the same line.

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oobleck
2. (4, 0), (-2, 8).
Y = mx + b.
m = (8-0)/(-2-4) = -4/3.
b = y-mx = 0 - (-4/3)4 = 16//3.

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3. (2,0) and (4,2)

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