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18 October, 21:27

Variable y varies directly with x2, and y = 18 when x = 6. Which graph represents the quadratic variation?

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  1. 18 October, 21:46
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    Lets find the equation that represents that relationship:

    y = zx^2

    plug in dа ta:

    18 = z (6) ^2

    18 = z (36)

    z = 1/2

    then the equation is:

    y = (1/2) x^2

    now you just have to plot that equation
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