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Mathn stuff.com: Vertical Line Test
Defines the vertical line test and provides a diagram showing graphs which pass and fail the test. Also provides several links for further information.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Vertical Line Test
Find a quick, concise explanation of the vertical line test. An example is given and clearly explained.
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 5 [Pdf]
The practice exercise explores the vertical line test. The example consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 6 [Pdf]
The practice exercise explores the vertical line test. The example consists of an enlarged printable version of a math graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 9 [Pdf]
The resource consists of a practice problem that examines the vertical line test. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 10 [Pdf]
The resource consists of a practice problem that examines the vertical line test. The practice exercise 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 13 [Pdf]
The practice problem examines the vertical line test. The exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 14 [Pdf]
The practice problem examines the vertical line test. The exercise 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 18 [Pdf]
The practice problem examines the vertical line test. The exercise consists of an enlarged printable version of the graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 19 [Pdf]
The practice problem examines the vertical line test. The exercise consists of an enlarged printable version of the graph available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Vertical Line Test 20 [Pdf]
The practice problem explores the vertical line test. The graph is available in PDF format.