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

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

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Question 7245: If y varies inversely as x^2, and y = 2 when x = 4, what is the constant variation?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Start with:
Now substitute the given values of x and y, then solve for k.

Multiply both sides by 16.
This is the value of the constant of variation.
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