When Is The Absolute Value Of A Number Equal To Itself. Therefore the absolute value of any number is really a positive number or zero. Is to realize that the absolute value of a single number is the distance of how far that number is from 0.

Thats why I got a completely wrong answer in my working above. When a is a negative number and the negative of a negative number is positive. What when is the absolute value of a number equal to itself.
For example 3 3 but 4 4.
The absolute value is the distance from 0 on the number line. More formally we have. Explain why if the absolute value of a number is always nonnegative a can equal -a. For instance the absolute value of 2 is 2 and th.