16. Roots and Radicals

Evaluate the following square root.

$-\sqrt{121}$

Use a calculator to evaluate the following and round to the nearest hundredths.

${}^5\sqrt{75}$

Simplify the following.

${}^4\sqrt{{(-x)}^4}$

Simplify the root.

${}^3\sqrt{-125}$

Simplify the following.

${}^3\sqrt{{(-5)}^3}$

Simplify the root.

${}^4\sqrt{-625}$