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10 September, 03:12

The value of y varies directly as x, with a constant of variation of - 8. What is the value of y when x is 7?

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Answers (2)
  1. 10 September, 05:08
    0
    -56

    Step-by-step explanation:

    y = kx,

    Where k = - 8

    y = - 8x

    y = - 8 (7)

    y = - 56
  2. 10 September, 05:49
    0
    y = - 56

    Step-by-step explanation:

    The equation for direct variation is

    y = kx where k is the constant of variation

    y = - 8 x

    We know x = 7

    y = - 8*7

    y = - 56
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