Cartesian Plane, Coordinate Plane, Coordinate Grid
By Deb Russell, About.com Guide
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Cartesian Plane (See Next for Ordering Pairs)
Cartesian Plane
D. Russell
The Cartesian plane is named after the mathematician Rene Descartes. When 2 perpindicular number lines intersect, a Cartesian Plane is formed. Points on the cartesian plane are called 'ordered pairs'.