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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
Concepts
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
Pros
- Concept video has a transcript
- The resource uses two methods to graph technology and by hand
Cons
- The explanation for the concept video is not the correct one