Instructional Video

Dilations of Quadratic Graphs - Concept

This Dilations of Quadratic Graphs - Concept instructional video also includes:

Help learners recognize the characteristics of a quadratic graph and how changes affect them. An informative video uses a graphing calculator in order to find out what happens when the leading coefficient of a quadratic changes. The resource continues with showing by hand what happens to the points of the parent graph when undergoing a dilation.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Pause the video to have class members guess what the graph will look like
  • Have pupils graph the functions by hand to find the specific changes for the functions graphed
Classroom Considerations
  • The class should be familiar with graphing quadratics using tables of values
  • Concept video has a transcript
  • The resource uses two methods to graph  technology and by hand
  • The explanation for the concept video is not the correct one
Common Core