How can you tell if a lines is perpendicular based on their slope?

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25-08-2017
Mathematics

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How can you tell if a lines is perpendicular based on their slope?

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alybsinger alybsinger · Answer 1 · 2017-08-25T08:06:27+02:00

alybsinger alybsinger

25-08-2017

You can find the slope of both lines. If they are perpendicular lines, then their slopes should be e negative reciprocal to each other. So if one lines slope is 3, then the line that is perpendicular should be -1/3

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