Question

What numbers have an absolute value of 2 1/2

Answer 1

The absolute value of a number is that number's distance from zero. It will always be positive, even if the original number was negative.

| x | = x
| -x | = x

So,
|2 1/2| = 2 1/2
and
|-2 1/2| = 2 1/2

Hope this helps! :)