Mathematics, 28.08.2020 02:01 ninmagic

Which pair of lines represent graphs that are perpendicular? a) y=-3x+7, y=-3x+2
b) y=5x+5, y=10x+5
c) 2y=4x-16, y=2x-8
d) y=9, x=5
e) y=x, y=3

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Which pair of lines represent graphs that are perpendicular? a) y=-3x+7, y=-3x+2
b) y=5x+5, y...