x- axis
The x-axis is a horizontal number line that extends infinitely in both positive and negative directions
The x-axis is a horizontal number line that extends infinitely in both positive and negative directions. It is one of the two axes used in the Cartesian coordinate system to graphically represent points in two-dimensional space. The x-axis is perpendicular to the y-axis.
On the x-axis, each point corresponds to a specific x-coordinate. The x-coordinate represents the horizontal distance of a point from the origin, which is the intersection of the x-axis and y-axis. The x-axis is divided into positive and negative regions, where positive values increase to the right of the origin and negative values decrease to the left.
In addition to representing individual points, the x-axis can also be used to plot graphs of functions. In this case, the x-axis represents the independent variable, often denoted by the letter “x”, and the corresponding values of the dependent variable (usually denoted by “y”) can be plotted on the y-axis. By connecting these points, we can visualize the relationship between x and y values for a given function.
Being familiar with the x-axis and its properties is crucial for understanding various mathematical concepts, including algebra, geometry, and calculus.
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