Class IX Cartesian Plane

A Cartesian plane, named after the mathematician Rene Descartes, is a plane with a rectangular coordinate system that associates each point in the plane, with an ordered pair. The horizontal line XOX′ is the and the vertical line YOY′ is the . The line OX is called positive x-axis, is called negative X-axis, OY is called positive y-axis and is called negative y-axis. Read more at http://learnnext.com/lesson/CBSE-IX-Maths-Cartesian-Plane.htm