Relations & Functions Dictionary

A ___________________ is formed by the intersection of two number lines, the horizontal axis and the vertical axis.

• coordinate plane

• quadrants

• origin

• discrete graph

The _________ is the horizontal axis on a coordinate plane.

• x-axis

• y-axis

• ordered pair

• relation

The _________ is the vertical axis on a coordinate plane.

• x-axis

• y-axis

• ordered pair

• relation

The ___________________ are four regions into which the x- and y-axis separate the coordinate plane.

• coordinate plane

• quadrants

• origin

• discrete graph

The ___________________ is the point at which the x- and y-axis intersect on the coordinate plane (0,0).

• coordinate plane

• quadrants

• origin

• discrete graph

The _________ is a set of numbers, or coordinates, written in the form (x,y).

• x-axis

• y-axis

• ordered pair

• relation

The _________ is the x-value of an ordered pair. It represents the horizontal placement of the point.

• x-coordinate

• y-coordinate

• discrete graph

• continuous graph

The _________ is the y-value of an ordered pair. It represents the vertical placement of the point.

• x-coordinate

• y-coordinate

• discrete graph

• continuous graph

The _________ is a graph that consists of points that are not connected.

• domain

• range

• discrete graph

• continuous graph

The _________ is a function graphed with a line or smooth curve.

• domain

• range

• discrete graph

• continuous graph