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OpenStudy (anonymous):
How much has the value of y changed between the points (–8, 4) and (8, –4)?
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OpenStudy (anonymous):
I think answer is -8; y is changing from 4 to -4; See also slope calculator: http://www.hackmath.net/en/calculator/line-slope?x0=-8&y0=4&x1=8&y1=-4&submit=Solve Vector: AB = (16; -8) so x is changed by 16 and y is changed by -8
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