Vertical Line Test
Learn how to use the Vertical Line Test to see if a graph is a function or not in this free math video tutorial by Mario's Math Tutoring.
0:07 What the Vertical Line Tests For
0:16 How to Do the Vertical Line Test
0:28 Example 1 Passes the Vertical Line Test
1:04 Example 2 Does Not Pass the Vertical Line Test
1:34 Example 3 Is a Function
1:47 Example 4 Is Not a Function
Related Videos:
Horizontal Line Test
• What is the Horizontal Line Test?
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