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Y varies inversely as x . If x = 4 then y = 9. Find y when x = 3.

Anyone help?

Y varies inversely as x . If x = 4 then y = 9. Find y when x = 3. Anyone help?-example-1
User Dreme
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1 Answer

6 votes

Answer:

12

Explanation:

Given, x and y are inversely proportional.

So, the equation is xy=k, where k is the constant of proportionality

x=4, y=9. plug in the values to find k.

k=4*9 = 36

When x=3, y = k/x =36/3 = 12

y=12, when x=3

User Mark Mcmurray
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