# How do you simplify sqrt(8b^2)?

Mar 30, 2018

$2 | b | \sqrt{2}$

#### Explanation:

$\sqrt{8 {b}^{2}}$

Using the properties of radicals, try to remove perfect squares:
$\sqrt{2 \cdot 4 \cdot {b}^{2}} =$
$2 | b | \sqrt{2}$

Remember absolute value when taking take an even root, and the result has an odd exponent