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4 May, 15:44

What is the slope of a line that is perpendicular to 4x-8y=64

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  1. 4 May, 18:32
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    - 2

    Step-by-step explanation:

    1) Write the equation in slope-intercept form.

    4x - 8y = 64

    -8y = - 4x + 64

    y = 1/2 x - 8

    slope of this line = 1/2

    2) For perpendicular line the slope is negative reciprocal.

    So, slope for perpendicular line is equal - 2.
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