Question:

Given that varies directly as the square of and that when , find

(a) the equation relating and

(b) the values of when

My solution: (a)

(b)

How do I solve for (b)?

Thanks

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- Sep 29th 2011, 10:23 AMFailInMathsY varies directly as the square of x
Question:

Given that varies directly as the square of and that when , find

(a) the equation relating and

(b) the values of when

My solution: (a)

(b)

How do I solve for (b)?

Thanks - Sep 29th 2011, 11:36 AMQuackyRe: Y varies directly as the square of x
This is annoying me because I can't see a mistake with your work. Is that *exactly* the wording of the question? I mean, I honestly doubt you're expected to put as your answer.

- Sep 29th 2011, 11:49 AMFailInMathsRe: Y varies directly as the square of x
- Sep 29th 2011, 11:51 AMQuackyRe: Y varies directly as the square of x