SOLUTION: Write a specific formula to describe the variation: x varies inversely with the square of y; x = 6 when y = 4.

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Question 1067278: Write a specific formula to describe the variation: x varies inversely with the square of y; x = 6 when y = 4.
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
x varies inversely with the square of y;
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k is a proportionality constant.
x=k%2Fy%5E2


x = 6 when y = 4.
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k%2Fy%5E2=x

k=xy%5E2

GIVEN: system%28x=6%2Cy=4%29

k=6%2A4%5E2

k=6%2A16

k=96

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highlight%28x=96%2Fy%5E2%29