The absolute value of a number is its distance from 0

Example : The absolute value of 3 or -3 is 3 because they have same distance from 0 and absolute value of 3.

The symbol for absolute value is a bar |∣vertical bar on each side of the number.

Example : The absolute value of 25, we can write it like this : |25|=25

Simplyfying Radicals :

A radical is a number that has a fraction as its exponent.

Example :

: Intire

: a mix of whole numbers and radicals

Another example :

Ex: