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  1. Directrix & Focus of a Parabola | Equation & Examples

    Nov 21, 2023 · The directrix also provides whether a parabola opens up/down or left/right. How do you find the focus and directrix of a parabola? Suppose a parabola is given in standard form …

  2. How to Find the Focus & Directrix of a Parabola - Study.com

    Learn how to find the focus and directrix of a parabola and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  3. Equation of a Parabola | Focus & Directrix Formula - Study.com

    Nov 21, 2023 · Learn how to find the equation of a parabola with its focus and directrix in this bite-sized video lesson. Enhance your geometry skills by taking a quiz for practice.

  4. How to Find the Directrix from the General Form of an Equation

    Learn how to find the directrix from the general form of an equation, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  5. How to Derive the Equation of a Parabola Given its Focus & Directrix

    Learn how to derive the equation of a parabola given its focus and directrix, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and …

  6. How to Find the Focus & Directrix of a Parabola in Vertex Form

    Learn how to find the focus and directrix of a parabola in vertex form, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  7. Parabola Questions and Answers - Homework.Study.com

    A parabola has a directrix of y = 8 and a focus of (0, 2). Show that the point (12, -7) must lie on this parabola.

  8. The Focus and Directrix of a Parabola - Study.com

    A parabola is the set of all points that are the same distance from a single point, called the focus of the parabola, and a line, called the directrix of a parabola.

  9. How to Find the Foci of a Hyperbola | Precalculus | Study.com

    Learn how to find the foci of a hyperbola, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

  10. Parabola | Equation, Formula & Examples - Lesson | Study.com

    Nov 21, 2023 · Learn to find the equation of a parabola with examples. Understand the equation of a parabola in standard form and the properties and applications...