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Cynthia Mathis
Cynthia Mathis
(Reno - United States)

Lesson 12: Graphing parabolas

The lesson begins with an exploration of the family of graphs of y = ax^2, with an emphasis on tracking the changes in the y-values for differing values of the parameter a. The vertical shifts of y = ax^2 + c follow, leading into the graphs of y = ax^2 + bx and the derivation of the formula for the vertex.

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