# If y varies inversely as x, and y = 1 as x = -2, how do you find y for the x-value of -1?

##### 2 Answers

Jun 16, 2016

#### Answer:

#### Explanation:

Given that

To determine

By (1) then,

Now, when

(2)

Jun 16, 2016

#### Answer:

#### Explanation:

This is an example of inverse proportion, or inverse variation.

To change a proportion into an equation, multiply by a constant and then use the values given to find the value of the constant.

So,

When