milli2700 milli2700

17-04-2018
Mathematics

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What is the equation of the line that contains the points with (xy) coordinates (–3,7) and (5,–1)?

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mkryukova19 mkryukova19

17-04-2018

(y-y1)/(x-x1)=(y-y2)(x-x2)
(y-7)/(x+3)=(y-5)/(x+1)
(y-7)(x+1)=(y-5)(x+3)
yx-7x+y-7=yx-5x+3y-15
4y=-2x+8
y=-x+4

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