Shodor Education Foundation
Shodor Interactivate: Lesson: Functions and the Vertical Line Test
This lesson plan outlines an activity that allows students to explore the vertical line test for functions.
Mathematics Archives
Math Archives: Visual Calculus: Functions
Use this site to find the defintion of a function. The site offers a discussion on the vertical line test, symbolic, numerical and verbal discussions on the definition of a function.
CK-12 Foundation
Ck 12: Algebra: Vertical Line Test
[Free Registration/Login may be required to access all resource tools.] Learn how to determine whether or not a relation is a function.
CK-12 Foundation
Ck 12: Algebra: Vertical Line Test
[Free Registration/Login may be required to access all resource tools.] Learn how to determine whether or not a relation is a function.
CK-12 Foundation
Ck 12: Algebra: Vertical Line Test
[Free Registration/Login may be required to access all resource tools.] This concept introduces students to relations and what makes a relation a function.
University of North Carolina
University of North Carolina Wilmington: Graphs of Functions
Defining the graph of a function, vertical line test, characteristics of graphs, approximating relative extrema, and even and odd functions are covered with examples that include charts and graphs.
![Houghton Mifflin: Math Graphs: Vertical Line Test 1 [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Vertical Line Test 1 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 1 [Pdf]
Students use the vertical line test to determine whether y is a function of x. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 2 [Pdf]
Students use the vertical line test to determine whether y is a function of x. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 3 [Pdf]
Students use the vertical line test to determine whether y is a function of x. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 4 [Pdf]
Students use the vertical line test to determine whether y is a function of x. The resource consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 1 [Pdf]
Learners use the vertical line test to determine whether y is a function of x. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 2 [Pdf]
Learners use the vertical line test to determine whether y is a function of x. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 3 [Pdf]
Students determine whether y is a function of x using the vertical line test. The example is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 4 [Pdf]
Learners determine whether y is a function of x using the vertical line test. The example is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 11 [Pdf]
Learners use the vertical line test to determine whether y is a function of x. The math graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 12 [Pdf]
Learners use the vertical line test to determine whether y is a function of x. The math graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 15 [Pdf]
Students use the vertical line test to determine y is a function of x. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 16 [Pdf]
Students use the vertical line test to determine y is a function of x. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 24 [Pdf]
Learners use the vertical line test to determine whether or not a relation is a function. The graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 25 [Pdf]
Learners use the vertical line test to determine whether or not a relation is a function. The graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 25 [Pdf]
Students use the vertical line test to determine if a relation is a function. The graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 26 [Pdf]
Students use the vertical line test to determine if a relation is a function. The graph is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 29 [Pdf]
The problem uses the vertical line test to see if a relation or its graph is a function or not. The practice exercise consists of an enlarged printable version of a graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 30 [Pdf]
The problem uses the vertical line test to see if a relation or its graph is a function or not. The practice exercise consists of an enlarged printable version of a graph available in PDF format.