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22 March, 00:20

The slope of a line is - 3. Find the slope of a line that is perpendicular to this line. A) - 3 B) - 1/3 C) 1/3

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  1. 22 March, 04:15
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    For lines to be perpendicular their slopes must be negative reciprocals of one another, mathematically:

    m1*m2=-1

    In this case the perpendicular line will have a slope that satisfies:

    -3m=-1 divide both sides by - 3

    m=-1/-3

    m=1/3
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