13/11/2021
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In physics and mathematics, the absolute value of a real number (x) is the distance x is from zero on the number line. Since the distances are not negative, the absolute value is not negative either. For example: |8| = 8 (the absolute value of 8 is 8) and |-8| = 8 (the absolute value of -8 is 8). This means that both 8 and -8 are 8 units away from zero.
In mathematics, there is a definition of absolute value that is expressed:
|x| = {x, if x ≥ 0
{-x, if x < 0
This definition is explained as follows:
Regarding the absolute value notation, the number is always written between vertical bars:
In addition, the absolute value can be applied in different calculations:
The absolute value has different properties, the most important are:
It can serve you: