SOLUTION: If y varies inversely as the square of x, and y = 1/2 when x = 1, find y when x = 9. Thanks!

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Question 662125: If y varies inversely as the square of x, and y = 1/2 when x = 1, find y when x = 9. Thanks!
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
y = k/x^2
1/2 = k/1, k = 1/2
when x = 9
y =
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