# What is the square root of (16/25)?

Mar 24, 2018

$\pm \frac{4}{5}$
$\text{note that 16 and 25 are both perfect squares}$
$\Rightarrow \sqrt{\frac{16}{25}} = \pm \frac{\sqrt{16}}{\sqrt{25}} \leftarrow \textcolor{b l u e}{\text{note plus or minus}}$
$\Rightarrow \sqrt{\frac{16}{25}} = \pm \frac{4}{5}$