Understanding Absolute Value
Absolute value of a number is defined as the length or the distance in units of a number from 0 on the number line. Absolute value takes into account only the distance and not the direction. Therefore, the absolute value of a number is always a positive value because only the distance is taken into account.
The absolute value of number 'y' is denoted by
To understand absolute value, it's best to look at a number line. The absolute value of 5 (or ) is 5, since the value 5 is 5 units from 0 on the number line. The absolute value of -3 (or is 3, since the value -3 is 3 units from 0 on the number line.