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 Related Terms
 Coordinates:  An ordered pair, (x,y), that locates a point in the plane.
Point: One of the basic undefined terms of geometry. A point has no length, width, or thickness, and we often use a dot to represent it.
Coordinate Plane: A two-dimensional region determined by a pair of axes and that uses numerical values to represent the location of an object.
Ordered Pair: A pair of numbers, (x, y), that indicate the position of a point on a Cartesian plane.
Origin: The point of intersection of the vertical and horizontal axes of a Cartesian plane. The coordinates of the origin are (0, 0).
x-coordinate: The first number of in ordered pair; the position of a point relative to the vertical axis.
y-coordinate: The second number in an ordered pair; the position of a point relative to the horizontal axis.