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INSTRUCTORS Carleen Eaton Grant Fraser

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For more information, please see full course syllabus of Algebra 2
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Lecture Comments (2)

1 answer

Last reply by: Glenn O'Neill
Fri Jun 20, 2014 2:31 PM

Post by Michelande Ridore on August 31, 2011

I know the graph shown is only representative of the direction of the curve and is not plotted accurately, but if it were plotted, shouldn't the vertex be in quadrant IV?

Graphing Quadratic Equations

  • The graph of a quadratic function is a parabola.

  • Use the axis of symmetry to help you graph a parabola. Graph the right or left half and then reflect the graph across the axis of symmetry.

  • The maximum or minimum value of the function occurs at the vertex. Use the formula for the vertex to find the maximum or minimum.

Graphing Quadratic Equations

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  • Intro 0:00
  • Quadratic Functions 0:10
    • Parabola
    • Example: Opens Upward
    • Example: Opens Downward
  • Properties of Parabolas 3:17
    • Axis of Symmetry
    • Vertex
    • Example
  • Maximum and Minimum Values 7:10
    • Example: Upwards/Minimum
    • Example: Downwards/Maximum
  • Lecture Example 1 9:09
  • Lecture Example 2 13:05
  • Additional Example 3
  • Additional Example 4