SOLUTION: If y varies inversely with the square of x and y=9 when x=2, find y when x=0.1

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Question 1113941: If y varies inversely with the square of x and y=9 when x=2, find y when x=0.1
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

If y varies inversely with the square of x:
y=k%2Fx%5E2
and if y=9 when x=2, we have
9=k%2F2%5E2
9=k%2F4
9%2A4=k
k=36
find y when x=0.1:
y=36%2F0.1%5E2
y=36%2F0.01
y=3600