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What You Need To Know...

MAFS.912.G-GPE.1.2 – Derive the equation of a parabola given a focus and directrix.

  1. The benchmark will be assessed using Equation Response.
  1. Items will require students to write the equation of a parabola when given the focus and directrix.  The directrix will be parallel to a coordinate axis.

Example One

Example Two

Example Three

Additional Examples

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Understanding Conics
Derive Equation Given the Focus
Use the Focus and Directrix I
Use the Focus and Directrix II

Reference Sheet