maths

y varies partly as the square root of x when x=9 and y=3.
Write the formular connecting them
solve for x when y=17
solve for y when x=24

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  1. not sure what "partly" means, but if direct, then

    y = k√x, so k=1, and y=√x

    If inverse, then

    y=k/√x so k=1, y=1/√x

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    posted by Steve

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