Evaluate square root of -30

$\sqrt{- 30}$

Step 1

Rewrite $- 30$ as $- 1 (30)$ .

$\sqrt{- 1 (30)}$

Step 2

Rewrite $\sqrt{- 1 (30)}$ as $\sqrt{- 1} \cdot \sqrt{30}$ .

$\sqrt{- 1} \cdot \sqrt{30}$

Step 3

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

$i \sqrt{30}$