Class9_Maths_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.

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