# Negative Number

## Negative Number

Real number that is less than or equal to zero.

The only number that is both positive and negative is the number 0.
The opposite of a positive number is a negative number with the same absolute value and vice versa.

• The opposite of –5 is 5.
• The opposite of 7 is –7.

### Examples

The numbers –5, –7, –$$\frac{1}{2}$$, –$$\sqrt{6}$$, –2.8 and –13π are negative numbers.