Find the Exact Value square root of -7

$\sqrt{- 7}$

Rewrite $- 7$ as $- 1 (7)$ .

$\sqrt{- 1 (7)}$

Rewrite $\sqrt{- 1 (7)}$ as $\sqrt{- 1} \cdot \sqrt{7}$ .

$\sqrt{- 1} \cdot \sqrt{7}$

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

$i \sqrt{7}$