Mathematics, 06.05.2020 20:42, ramirex9680

Which pair of equations represents perpendicular lines?
a x+2y=8 : 2x−y=−8
b x+2y=8 : 2x+y=8

c x+2y=8 : −x−2y=8
d x+2y=8 :−x−2y=−8

Answers: 2

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Which pair of equations represents perpendicular lines?
a x+2y=8 : 2x−y=−8
b x+2y=8 : 2...