## Absolute values and inequalities

Things that I learnt today. Emphasis on the **I, **I couldn’t make for MAM1000W today.

- Absolute value definition
- Properties of absolute values
- Rules for inequalities

**Absolute value**

The absolute value of a number represents the distance between that number and on the real number line. Absolute value of a number is denoted by which is equal to which is from the distance formula. Since it is the distance between and Hence if and if

**Properties of Absolute values**

Let then

**Rules for inequalities**

- if then
- if and then
- if and then
- if and then
- if then