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27 December, 14:17

If the value of "y" Varies directly with "x" and y = - 8 when x = 20, find "y" if x = - 4.

Enter the numbers that belongs in the fraction. (Reduce to simplest form.

y=?/?

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  1. 27 December, 14:21
    0
    Step-by-step explanation:

    When y varies directly with x

    y=kx x=20 y=-8

    k=y/x

    k=-8/20

    k=-0.4

    now when x=-4 find y

    y=kx

    y=-0.4*-4

    y=1.6
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