Asked by Brian

Well, I'm having trouble on some of my homework questions and looking to get help as soon as possible on one of them about inverse variation.

1. If y varies inversely as x and y = -3 when x = 9, find y when x = 81.

I will use the equation y = k/x but I have no idea how to plug the numbers in and then solve ;/
Answered by PsyDAG
-3/9 = y/81

Solve for y.

Answered by Brian
You sure its not -3/81 = y/9?
My answer came out as -1/3 and I solved in 2 different ways.
Answered by Bob
UR right
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