# How do you simplify -sqrt(25)?

Jun 30, 2015

$- \sqrt{25} = - 5$

#### Explanation:

$\sqrt{k}$ means the value $m$
where $m \ge 0$
and for which $m \times m = {m}^{2} = k$

For $\sqrt{25}$ this value is $5$

If $\sqrt{25} = 5$
then
$- \sqrt{25} = - 5$