**Definition of Number Line**

- A line that represents the set of all real numbers in order is called a number line.

**Examples of Number Line**

- The figure shown below is a number line.

**More about Number Line**

- Usually a number line is marked showing integer values.
- The distance between any two consecutive integers on a number line is the same.

**Solved Example on Number Line**

Identify the number line showing the interval [- 4, 5).

Choices:

A. Graph A

B. Graph B

C. Graph C

D. None of the above

Correct Answer: C

Solution:

Step 1:The number line for the interval [- 4, 5) is shown in Graph C.

**Related Terms for Number Line**

- Real Numbers