If MN is perpendicular to PQ and the slope of PQ is -4 what is the slope for MN

Discussion in 'Calculator Requests' started by math_celebrity, Oct 18, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    If MN is perpendicular to PQ and the slope of PQ is -4 what is the slope for MN

    the slope of a line perpendicular to another line is the negative reciprocal. Therefore:
    Slope of MN = -1/Slope of PQ
    Slope of MN = -1/-4
    Slope of MN = 1/4
     
    math_celebrity, Oct 18, 2020
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