# Whats the absolute value of abs(-15)?

Jul 7, 2015

$15$

#### Explanation:

The absolute value is defined as :

When $x \in \mathbb{R}$,
|x|=x,ifxcolor(blue)(≥0)
|x|=−x,ifxcolor(red)(<0)

And $- 15 \textcolor{red}{< 0}$, so $\left\mid - 15 \right\mid = - \left(- 15\right) = 15$