The Vertical Line Test

The Vertical Line Test

Perform the vertical line test to determine which graphs represent functions.


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Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

열린 문항 1

How does the vertical line test help you identify a function?

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열린 문항 2

Would a horizontal line test also work to identify a function? Why or why not?

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