x- axis
The x-axis is one of the two coordinate axes used in a Cartesian coordinate system
The x-axis is one of the two coordinate axes used in a Cartesian coordinate system. It is a horizontal line that extends infinitely in both directions. The x-axis is used to represent the independent variable or input value in a graph or equation.
In a two-dimensional Cartesian coordinate system, the x-axis is perpendicular to the y-axis. The point where the two axes intersect is called the origin, typically represented by the coordinates (0, 0). The positive direction on the x-axis is to the right of the origin, and the negative direction is to the left.
The x-axis is labeled with numbers, also known as x-coordinates, which represent the horizontal distance of a point from the origin. For example, a point with coordinates (3, 0) lies 3 units to the right of the origin on the x-axis.
In addition to representing points in a Cartesian plane, the x-axis is also used to plot functions and equations. In this context, the x-coordinate represents the input or independent variable, and the y-coordinate represents the output or dependent variable. By graphing functions on the x-axis, we can visualize their behavior and analyze their properties.
Overall, the x-axis is an essential component of graphing, plotting, and understanding mathematical relationships in a coordinate system.
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