SOLUTION: Solve for r? w=Cr^-2

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Question 481583: Solve for r? w=Cr^-2
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
w = Cr^-2
Get rid of the neg exponent with the reciprocal
w = C%2Fr%5E2
multiply both sides by r^2
w*r^2 = C
Divide both sides by w
r^2 = C%2Fw
Find the square root of both sides
r = sqrt%28C%2Fw%29