# If Y varies inversely with the square of x. When x is 5, y is 4/5, how do you find value of y, when x equals 8?

##### 1 Answer

Apr 22, 2016

#### Answer:

Set up the described equation, solve it for the proportionality constant, and then use your completed equation to calculate the new value.

#### Explanation:

First, set up the described equation.

Then, given x = 5 and y = 4/5 we can solve for the proportionality constant of the equation.

SO, our equation is