SOLUTION: How do you find a line perpendicular to 2x-5y=20?

Question 206057: How do you find a line perpendicular to 2x-5y=20?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
How do you find a line perpendicular to 2x-5y=20?
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Find the slope of the given line:
5y = 2x-20
y = (2/5)x - 4
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The the given line has slope = 2/5
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The slope of any line perpendicular to the given line
must have a slope of -5/2
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Cheers,
Stan H.
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