# math

find an equation of the line passing through the pair of points. write the equation in Ax+By=C (-9,7), (-10,-4)

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1. Ax+By=C, (-9,7), (-10,-4)

m = (-4-7)/(-10-(-9))

m = 11

y -y1 = m (x -x1)

y -7 = 11(x -(-9)

y -7 = 11x +99

y -7 + 7 = 11x +99+7

y = 11x + 106

-11x + y = 106

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