NUMBER LINE

Definition of Number Line

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

Video Examples: Number Line


Examples of Number Line

    The figure shown below is a number line.

Solved Example on Number Line

Ques: 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.