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Solve for
a if the line through the two given points has the given slope.
(4,a) and (-2,-2a), m=-1
7 years ago

Answers

Anonymous
(Y2 - Y1) / (X2-X1) = -1

(-2a - a ) / (-2 -4) = -1
-3a = 6
a = -2
now put that back in and see if it works
7 years ago

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