SOLUTION: write the slope intercept equation for (-4,-1) and (1,9)

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Question 665013: write the slope intercept equation for (-4,-1) and (1,9)
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
slope
m=(9--1)/(1--4)
m=10/5
m=2
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y=mx+b
9=2*1+b
9=2+b
b=4.5
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y=2x+4.5