Question

If $|a|=9$ and $a$ is an integer, then $a$ is

• A. $9$
• B. $-9$
• C. $9and-9$
• D. none of these

Answer 1

The correct option is C

$9and-9$

Given , $a$ is an integer and $|a|=9$

Possible values of $a$ are$9and-9$.

Concept : The absolute value (or modulus) | x | of a real number x is the non-negative value of x without regard to its sign.