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Question 336959: find an equation through each given pair of points. Write the answer in standard from using only integers. (-1,1) (1,-1)
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! find an equation through each given pair of points. Write the answer in standard from using only integers. (-1,1) (1,-1)
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slope = (-1-1)/(1--1) = -2/2 = -1
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Form: y = mx + b
Using m = -1 and point (-1,1), solve for "b":
1 = -1*-1 + b
b = 0
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Equation: y = -x
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Cheers,
Stan H.
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