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Finding the vertex, intercepts, and axis of symmetry from a graph of a parabola

This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it…

From  Tom Grant 14 plays 0  

Rationalizing a denominator: Square root of a fraction

This video shows how to multiplly the top and bottom of a square root of a fraction to get the result of a rational number in the denominator.

From  Tom Grant 11 plays 0  

Degree Works Tutorial

From  Scott Volpe 3,054 plays 0  

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