
Arturo O. answered 05/17/20
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m = [5 - (-3)] / (-4 - 1) = 8/-5 = -8/5
y = (-8/5)x + b
Use any of the given points to find b.
-3 = (-8/5)(1) + b
b = -7/5
y = (-8/5)x - 7/5