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Rectangular

Module: Coordinate Geometry
Unit: Points in a Plane

Points in a Plane

Using coordinates is the way that mathematicians describe where things are on a line, a flat surface, and even in space! The most commonly used coordinate system is the Rectangular Coordinate System, also known as the Cartesian Coordinate System, named after the philosopher and mathematician Rene Descartes, who was instrumental in its development. This coordinate systems describes points as a pair, (x,y), where x is the pointís horizontal distance from the point (0,0) and y is the vertical distance from (0,0).

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