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More Lessons for Algebra I

Math Worksheets

Videos, worksheets, games and activities to help Algebra 1 students learn how to distinguish between relations and functions. The use of the vertical line test and mapping diagrams are also discussed.

How to determine whether a relation is a function.

This video explains the concepts behind mapping a relation and the vertical line test.

Students learn that if the x-coordinate is different in each ordered pair in a given relation, then the relation is a function.

Students learn to use the vertical line test to determine if a relation is a function.

Students learn to use mapping diagrams to determine if a relation is a function.

You can use the Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem. Then click "Answer" to check your answer.