Module 6 Vocabulary for 8th grade

​domain

the set of all possible input values of a function

​function

an input-output relationship that has exactly one output for each input

​linear function

a function whose graph is a straight line

​Nonlinear function

a function whose graph is not a straight line

range

the set of all possible output values of a function

relation

a set of ordered pairs

slope-intercept form

vertical line test

a test used to determine whether a relation is a function; if any vertical line crosses the graph of a relation more than once, the relation is not a function.

​y-intercept

the y-coordinate of the point where the graph of the line crosses the y-axis