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Rectangular Coordinate System

# Rectangular Coordinate System - Rectangular Coordinate...

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Rectangular Coordinate System Equations can be graphed on a set of coordinate axes. The location of every point on a graph can be  determined by two coordinates, written as an ordered pair, ( x,y). These are also known as Cartesian  coordinates, after the French mathematician Rene Descartes, who is credited with their invention. If  the slope and intercept (you'll get to them shortly) or the coordinates of two points on a linear graph  are known, the equation of the line can be determined. Following are terms with which you should be familiar:  Coordinates of a point.  Each point on a number line is assigned a number. In the  same way, each point in a plane is assigned a pair of numbers called the  coordinates of  the point x -axis;  y -axis.  To locate points in a plane, two perpendicular lines are used: a  horizontal line called the  x

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