The Vertical Line Test
The Vertical Line Test
Perform the vertical line test to determine which graphs represent functions.
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Open-ended question 1
How does the vertical line test help you identify a function?
Text and maths input
Open-ended question 2
Would a horizontal line test also work to identify a function? Why or why not?
Text and maths input
Explore more
Prerequisite Resources
