Quadratic Functions: The Vertex

A series of college algebra lectures by Professor Edward Burger from Thinkwell's online Algebra series: Finding the Vertex by Completing the Square, Using the Vertex to Write the Quadratic Equation, Finding the Maximum or Minimum of a Quadratic, Graphing Parabolas

 

 

Finding the Vertex by Completing the Square

 

 

Using the Vertex to Write the Quadratic Equation

 

 

Finding the Maximum or Minimum of a Quadratic

 

 

Graphing Parabolas

 

 

 

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