x-axis

Definition of x-axis

  • The coordinate plane is formed by the intersection of two number lines, a horizontal number line and a vertical number line. The horizontal number line is called the x-axis.

                          

Examples of x-axis

  • The figure shows the coordinate plane formed by the intersection of the x- and y- axes.

Their point of intersection is called the origin.

                             

Solved Example on x-axis

Which of the following graphs has a point P on the x-axis?

 

Choices:

A. Graph 1

B. Graph 2

Correct Answer: B

          Solution:

Step 1: The coordinate plane is formed by the intersection of two number lines, a horizontal number line and a vertical number line. The horizontal number line is called the x-axis.

Step 2: Graph 2 has the point P on the horizontal line i.e., on the x-axis.                        

                              

    Related Terms for x-axis

  • Coordinate Plane
  • Number Line

                    

    Additional Links for x-axis