Evaluate square root of -22

$\sqrt{- 22}$

Step 1

Rewrite $- 22$ as $- 1 (22)$ .

$\sqrt{- 1 (22)}$

Step 2

Rewrite $\sqrt{- 1 (22)}$ as $\sqrt{- 1} \cdot \sqrt{22}$ .

$\sqrt{- 1} \cdot \sqrt{22}$

Step 3

Rewrite $\sqrt{- 1}$ as $i$ .

$i \sqrt{22}$