Question

If y=-5, when x=9, how do you find y when x=6 given that y varies inversely as x?

Answer 1

Inverse means that `x xxy=C, C` being a constant.

Explanation:

From the data:

`C=9xx(-5)=-45`

Now for `x=6`:

`6xxy=-45->y=-45/6=-7.5`