SOLUTION: If y varies inversely as x with a exponent 2 and y=2 when x=4, what is the constant of variation?

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Question 310240: If y varies inversely as x with a exponent 2 and y=2 when x=4, what is the constant of variation?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If y varies inversely as x with a exponent 2 and y=2 when x=4, what is the constant of variation?
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y = k/x^2
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Solve for "k" using y=2 when x = 4
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2 = k/4^2
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k = 2*16
k = 32
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Cheers,
Stan H.