G-GPE.A.2

Derive the equation of a parabola given a focus and directrix.

Example Problems
The parabola is reflected across the -axis.

What is the equation of the new parabola?
The parabola is reflected across the x-axis.

What is the equation of the new parabola?
The parabola is scaled vertically by a factor of 9.

What is the equation of the new parabola?
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