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Graphing Quadratic Inequalities

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Category Videos
Not Right For WatchKnowLearn
Ages: 12 - 18
Graphing Quadratic Functions
From YouTube, produced by rafaelyepez13
Instructor uses a white board to demonstrate graphing quadratic functions.  Example models taking a quadratic function in standard form, determining if the function opens up or down, finding the axis of symmetry and vertex.  The instructor then creat... [more]
April 14, 2010 at 10:33 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
Quadratic Functions (Parabolas)
From YouTube, produced by Yay Math
Introduces the generalized form of the quadratic equation and develops formulas for determining the vertex of the parabola. This lesson includes the basics of graphing the parabola. White board in a class setting, some interaction, engaging, several ... [more]
July 31, 2009 at 11:26 AM
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Not Right For WatchKnowLearn
Ages: 12 - 18
Graphing Inequalities With 2 Variables
From YouTube, produced by ehow
A lesson on graphing inequalities with two variables.  A math teacher explains that the graph should be plotted with a pair of axes reflecting the variables X and Y. Inequalities with two variables, such as X and Y, are graphed on a whiteboard.
February 19, 2010 at 01:38 PM
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