Ellipses Centered at the Origin: Lithotripsy

This Ellipses Centered at the Origin: Lithotripsy interactive also includes:

Investigate ellipses through the lens of medical applications. Pupils use a medical scenario to determine the equation of an ellipse. By using the interactive, learners determine the foci and major and minor axes of the ellipse that models the shape of a shock wave generator. Using the information they know, class members answer questions about the properties of the foci.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Lead a discussion on how the definition of an ellipse leads to a circle being an ellipse
Classroom Considerations
  • Individuals should be familiar with the components of an ellipse
  • Requires a free login account to access the interactive
  • Contains feedback on the correct answer for some items
  • Provides an alternative simplification of the last challenge problem
  • None
Common Core