focus   4 videos

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  The Hyperbola

  Precalculus Conic Sections

  How to talk about hyperbolas.

  hyperbola vertices co vertices transverse conjugate focus
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  Conic Section Formulas

  Precalculus Conic Sections

  How to identify a conic section by its formula.

  parabola circle ellipse hyperbola center focus
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  The Ellipse

  Precalculus Conic Sections

  All about ellipses.

  ellipse co vertices vertices major axis minor axis focus foci x radius y radius
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  Families of Polar Curves: Conic Sections

  Precalculus Polar Coordinates and Complex Numbers

  How to describe the polar equations of conic sections.

  polar graph polar equation polar curve conic sections focus origin pole parabola symmetric about the x axis parabola vertex