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Conic Sections and Dandelin Spheres

Balls used to define conic sections and prove focal properties.

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Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

Conic Sections and Dandelin Spheres

by CK-12 //at grade
Exploring the "Dandelin sphere" proofs of conic sections.
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• Video

Graphing Quadratic Functions in General Form

by CK-12 //at grade
Discusses the characteristics of quadratic equations and uses applications to practice graphing them.
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