Relations, and functions, and line tests, oh my! An instructional slideshow demonstrates the definitions of a relation, a function, and the domain and range of a relation. Viewers then learn how to use mappings and vertical...

[Free Registration/Login may be required to access all resource tools.] Learn how to determine whether or not a relation is a function.

The test is used to determine if the relation is a function. The resource consists of an enlarged printable version of a graph available in PDF format.

The test is used to determine if the relation is a function. The resource consists of an enlarged printable version of a graph available in PDF format.

Students determine if a graph is a function by moving a vertical line from one end of the x-axis to the other. The graph is available in PDF format.

Students determine if a graph is a function by moving a vertical line from one end of the x-axis to the other. The graph is available in PDF format.