What's the Vertical Line Test?

What's the Vertical Line Test?

Note:

Even graphs need to worry about tests! Using the vertical line test, you can figure out if a graph is a function or not. Watch this tutorial and learn about the vertical line test. Then, put your graphs to the test!

Keywords:

  • definition
  • vertical line test
  • function
  • vertical line
  • test
  • one to one

Background Tutorials

  • Graphing in the Coordinate Plane

      • What is the Coordinate Plane?What is the Coordinate Plane?

      What is the Coordinate Plane?

      You can't graph a function or plot ordered pairs without a coordinate plane! Learn about the coordinate plane by watching this tutorial.

      • What is the Y-Axis?What is the Y-Axis?

      What is the Y-Axis?

      To graph a function or plot an ordered pair, you need to use a coordinate plane, so you should learn all about it! In this tutorial, you'll learn about the y-axis and see where it's located in the coordinate plane.

  • Working With Graphs

      • How Do You Graph a Linear Equation by Making a Table?How Do You Graph a Linear Equation by Making a Table?

      How Do You Graph a Linear Equation by Making a Table?

      Graphing a function? It would be really helpful if you had a table of values that fit your equation. You could plot those values on a coordinate plane and connect the point to make your graph. See it all in this tutorial!

Further Exploration

  • Function Definitions and Function Notation

      • What's a Function?What's a Function?

      What's a Function?

      You can't go through algebra without learning about functions. This tutorial shows you a great approach to thinking about functions! Learn the definition of a function and see the different ways functions can be represented. Take a look!

  • Working With Functions