Pre-Algebra Examples

$\sqrt{9 + 16}$

Step 1

Add $9$ and $16$ .

$\sqrt{25}$

Step 2

Rewrite $25$ as $5^{2}$ .

$\sqrt{5^{2}}$

Step 3

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

$5$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$