**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.

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** **__Related Terms for ____x____-axis__

- Coordinate Plane
- Number Line

** **__Additional Links for ____x____-axis__