Cartesian plane

Definition

The Cartesian plane, also known as ℝ^2 or the xy-plane, is a two-dimensional coordinate system that uses two perpendicular number lines called axes to locate points. The horizontal axis is called the x-axis and the vertical axis is called the y-axis.

Related terms

Coordinates:

Pairs of numbers (x,y) that represent a point's position on the Cartesian plane.

Origin: The point (0,0) where the x-axis and y-axis intersect in the Cartesian plane.

Quadrants: The four regions created by dividing the Cartesian plane into four equal parts using the x-axis and y-axis.