You can put this solution on YOUR website! Write the equation of the line through (1,2) and (-3,6) in the y=mx+b format
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slope = [6-2]/[-3-1] = 4/-4 = -1
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intercept: 2 = -1(1) + b
b = 3
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EQUATION:
y = -x + 3
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Cheers,
Stan H.