Instructional Video

Symmetry Introduction: x-axis, y-axis, the Origin

Curated and Reviewed by Lesson Planet

You can flip them and the graph looks the same. An instructional video shows how to determine whether an equation contains a graph that has symmetry. Scholars learn how to calculate algebraically whether an equation has symmetry about the x-axis, the y-axis, and the origin. Learners see an example of each type of symmetry.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Lead a discussion on whether a graph that is symmetrical about the x-axis is a function
  • Use symmetry to lead into a lesson on even and odd functions
Classroom Considerations
  • Assumes the class is familiar with graphing equations
  • This video is hosted on YouTube
Pros
  • Provides a graphical and functional definition of symmetry
  • Uses colors to highlight the axis or points of symmetry
Cons
  • None