coordinate plane
nounUK /kəʊˈɔːdɪnət pleɪn/
US /koʊˈɔːrdɪnət pleɪn/
A flat surface with two number lines that help you find points using pairs of numbers.
We plotted the points (2, 3) and (4, 1) on the coordinate plane.
RELATED WORDS
OTHER MEANINGS
2. A two-dimensional mathematical space defined by perpendicular axes used to represent relationships between two variables.
The graph of the linear equation is a straight line on the coordinate plane.
3. A grid system used in navigation and mapping to locate positions precisely.
Sailors used a coordinate plane to mark their position at sea.
4. In geometry, the plane in which transformations such as reflections and rotations are performed.
She reflected the triangle across the y-axis of the coordinate plane.