Number Line

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

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

 

 

Related Terms for Number Line

  • Real Numbers
 

Additional Links for Number Line