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- In coordinate geometry, the components of a
- system used to represent vectors or to denote
- the position of a point on a plane (two
- dimensions) or in space (three dimensions)
- with reference to a set of two or more axes.
- The Cartesian coordinate system can be
- extended to any finite number of dimensions
- (axes), and is used thus in theoretical
- mathematics. It is named after Descartes. For
- a plane defined by two axes at right angles
- (a horizontal x-axis and a vertical y-axis),
- the coordinates of a point are given by its
- perpendicular distances from the y-axis and
- x-axis, written in the form (x,y). For
- example, a point P that lies three units from
- the y-axis and four units from the x-axis has
- Cartesian coordinates (3,4). In
- three-dimensional coordinate geometry, points
- are located with reference to a third,
- z-axis. The system is useful in creating
- technical drawings of machines or buildings,
- and in computer-aided design (CAD).
-