G.GPE.4

(+) Derive the equation of a parabola given a focus and directrix; graph the parabola in the coordinate plane.

Example Problems
The parabola is reflected across the -axis.

What is the equation of the new parabola?
The parabola is shifted down by .
What is the equation of the new parabola?
The parabola is shifted up by 9 units.
What is the equation of the new parabola?
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