# Algebra II/Real Numbers

## Real Numbers

Real Numbers are numbers used in your life, such as `2`, `4`, and including ${\displaystyle {\tfrac {6}{8}}}$ . Every point on the number line is connected to a real number. All numbers are real numbers.

### Rational

Rational Numbers can be represented as "m/n" - m and n being integers and the denominator is not a zero. The decimal of a rational number is either a terminating decimal (${\displaystyle {\tfrac {6}{8}}}$  = .75) or a repeating decimal (${\displaystyle {\tfrac {8}{6}}}$  = 1.6666...). Rational numbers can be normal numbers, such as `-3` and `0`.

#### Integers

(-1, -2, -3, -4, -5, -6, -7, -8, -9, -10)

#### Whole

(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

#### Natural

(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)

### Irrational

Irrational Numbers usually consist of decimals that contain a random list of numbers (not terminating/repeating). Example is being pi (π).