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Graphing Vertical and Horizontal Lines

Explains how the graphs and equations of vertical and horizontal lines are the same in some ways but how they differ as well.

From  Tom Grant 1,092 plays 0  

Review: Factoring a Difference of Squares

This is a review of the factoring technique used on two terms that are each a perfect square and are subtracted.

From  Tom Grant 665 plays 0  

Understanding Interval Notation, Part 1

This is part one of four videos on interval notation.

From  Tom Grant 2,125 plays 0