Mutlak değerin başlıca özellikleri şunlardır:
\(\left | x \right |=\left | -x \right |\)
\(\left | x^n \right |=\left | x \right |^n\)
\(\left | xy \right |=\left | x \right |\left | y \right |\)
\(\LARGE \left | \frac{x}{y} \right |\)\(=\)\(\large \frac{\left | x \right |}{\left | y \right |}\)
\(\LARGE \left | \frac{x}{y} \right |\)\(=\)\(\large \frac{\left | x \right |}{\left | y \right |}\)
\(\left | x+y \right |\leq \left | x \right |+\left | y \right |\)
