Pre-Algebra Examples

$- \frac{9}{16}$

Step 1

Rewrite $- \frac{9}{16}$ as ${(\frac{3 i}{4})}^{2}$ .

$\sqrt{{(\frac{3 i}{4})}^{2}}$

Step 2

Pull terms out from under the radical, assuming positive real numbers.

$\frac{3 i}{4}$