1 Jaw pain and Nausea and Abdominal symptoms (5 causes) 2  Jaw pain and Nausea and Digestive symptoms (5 causes) 3  Jaw pain and Nausea and Face symptoms (5 causes)  Jaw pain and Nausea and Head symptoms (5 causes)
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.
The Horizontal Axis. The horizontal axis of a graph is also known as the x axis. Typically, the horizontal axis describes a quantity that changes in a predictable fashion. In the case of a scientific experiment, the horizontal axis usually denotes the control variable.