SOLUTION: Determine whether the graph of the equations are perpendicular 8x-7y=2 8y-7x=5

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Question 336922: Determine whether the graph of the equations are perpendicular
8x-7y=2
8y-7x=5
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Convert both to slope-intercept form, y=mx%2Bb
8x-7y=2
-7y=-8x%2B2
y=%288%2F7%29x-2%2F7
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8y-7x=5
8y=7x%2B5
y=%287%2F8%29x%2B5%2F8
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Perpendicular lines have slopes that are negative reciprocals.
m1%2Am2=-1
%288%2F7%29%287%2F8%29=-1
1=-1
False, they are not perpendicular.
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graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%288%2F7%29x-2%2F7%2C%287%2F8%29x%2B5%2F8%29