


Related Terms 


Domain: The set of xcoordinates of the set of points on a graph; the set of xcoordinates of a given set of ordered pairs. The value that is the input in a function or relation. 
Ordered Pair: A pair of numbers, (x, y), that indicate the position of a point on a Cartesian 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.
ycoordinate: The second number in an ordered pair; the position of a point relative to the horizontal axis.
Range: The ycoordinates of the set of points on a graph. Also, the ycoordinates of a given set of ordered pairs. The range is the output in a function or a relation.
Relation: A rule that gives an output number for every valid input number.


