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What is the slope of a line that is perpendicular to the line?

What is the slope of a line that is perpendicular to the line?-example-1
User Dawid Hyzy
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1 Answer

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The slope is 4.

To find the perpendicular slope, you use the negative reciprocal of the slope you already have. Since the original slope is -1/4, you flip -1/4 to get -4. You then find the negative of -4 to get 4
User Nuju
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