SOLUTION: If y varies inversely as x, Write general formula to describe the variation, y=9, when x=3

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Question 989252: If y varies inversely as x, Write general formula to describe the variation, y=9, when x=3
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

If y varies inversely as x%7D%7D%5D%2Cthen+we+have+%7B%7B%7Bk such that y=k%2Fx.
if the variation, y=9, when x=3, than we have
9=k%2F3=>9%2A3=k=>k=27

so, general formula to describe the variation will be:
y=27%2Fx