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Conic Sections: Parabolas, Part 3 (Focus and Directrix) (Patrick J) View |
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Parabola Find Vertex, Focus, Directrix, and Graph (Mario's Math Tutoring) View |
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Focus and directrix introduction | Conic sections | Algebra II | Khan Academy (Khan Academy) View |
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Graphing Conic Sections Part 3: Parabolas in Standard Form (Professor Dave Explains) View |
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Writing the equation of a parabola given focus and directrix (Brian McLogan) View |
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Conic Sections, Parabola : Find the Focus and Directrix (Patrick J) View |
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Conic Sections: Parabolas, Part 2 (Directrix and Focus) (Patrick J) View |
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Parabolas Complete Guide - Graphing and Writing Equations Using Focus, Directrix, and Vertex (Mario's Math Tutoring) View |
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What is the focus and directrix for a vertical parabola conics (Brian McLogan) View |
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Conic Section: Parabola With Vertex at (h,k) - Part 5 of 5 | Given the Focus and the Directrix (Mathema Teach) View |