9. Roots, Radicals, and Complex Numbers

Evaluate the radical.

$\sqrt{{(-5)}^2}$

Evaluate the following square root.

$\sqrt{144}$

Evaluate the following square root.

$-\sqrt{121}$

Determine if the given square root evaluates to a real number.

$-\sqrt{4}$

Determine if the given square root evaluates to a real number.

$\sqrt{-64}$

Determine if the given square root evaluates to a real number.

$-\sqrt{-25}$