Rectangular Coordinates - Pre Calculus

The rectangular coordinate system is also known as the Cartesian coordinate system after Rene Descartes, who popularized its use in analytic geometry. The rectangular coordinate system is based on a grid, and every point on the... The rectangular coordinate system is also known as the Cartesian coordinate system after Rene Descartes, who popularized its use in analytic geometry. The rectangular coordinate system is based on a grid, and every point on the plane can be identified by unique x and y coordinates, just as any point on the Earth can be identified by giving its latitude and longitude.
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