ASVAB Arithmetic Reasoning Number Properties Practice Test 816051

Question 1 of 5
Absolute Value

The absolute value is the positive magnitude of a particular number or variable and is indicated by two vertical lines: \(\left|-5\right| = 5\). In the case of a variable absolute value (\(\left|a\right| = 5\)) the value of a can be either positive or negative (a = -5 or a = 5).

If \(\left|a\right| = 7\), which of the following best describes a?

a = 7

a = -7

a = 7 or a = -7

none of these is correct