# What is #sqrt((-9)^2)#?

##### 2 Answers

Apr 11, 2018

The result is

#### Explanation:

To simplify squares inside radicals, take the absolute value of what is being squared, like this:

This is because a square root cannot equal a negative number. Here's is your expression:

That's the result. You can check using a calculator:

Hope this helped!

Apr 11, 2018

#### Explanation: