## College Algebra (10th Edition)

RECALL: Absolute value is defined as: $|x| =x$ if $x \ge 0$ $|x| = -x$ if $x \lt 0$ Note that: (1) The absolute value of a positive number is positive. (2) The absolute value of 0 is 0. (3) The absolute value of a negative number is positive. Thus, for any real number $x$, $|x| \ge 0$ The given statement is true.