Answer
$ y = -x+2$
Work Step by Step
(4, -2) and (8, -6)
$m = (-2--6)/(4-8) = 4/-4 = -1$
$ y = mx+b $
$-2 = -1*(4)+b$
$-2 =-4 + b$
$-2(+4) = -4(+4) +b$
$2 = b $
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