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Handout
Other

Platonic Realms: Conics

For Students 9th - 10th Standards
This resource provides in depth information on the conic sections. Click on the underlined words for definitions and diagrams.
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Unit Plan
National Council of Teachers of Mathematics

The Math Forum: Parallel Lines and Conic Sections

For Students 9th - 10th
Dr. Math and a couple of students discuss the possibility of whether parallel lines can be constructed as a degenerate case of conics.
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Website
National Council of Teachers of Mathematics

The Math Forum: Types of Degernate Conics

For Students 9th - 10th
Dr. Math, in response to a student question, provides insight into degenerate cases of conic sections.