SOLUTION: what is the equation for the line that passes through points (-1,-4) and (1,4)?

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Question 515170: what is the equation for the line that passes through points (-1,-4) and (1,4)?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
slope
m=(4--4)/(1--1)
m=8/2
m=4
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y=mx+b
4=4*1+b
4=4+b
b=4-4
b=0
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y=4x
with the y intercept at the origin.