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Mathematics 22 Online
OpenStudy (anonymous):

What do the following two equations represent? −2x+2y=−3 −2x−2y=4 equivalent, parallel, perpendicular, or neither explanation appreciated thank you I love this place . yay innovation

OpenStudy (hoblos):

−2x+2y=−3 ---> y=x -3/2 ---> slope=1 −2x−2y=4 ----> y=-x-2 ----> slope=-1 slope of the first multiplied with slope of the second = -1 then they are perpendicular lines

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