## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 9 - Section 9.3 - The Parabola - Exercise Set - Page 998: 78

#### Answer

See explanations.

#### Work Step by Step

Given $y^2=8x$, we have $4p=8$ and $p=2$. Since the parabola opens to the right with vertex $(0,0)$, we can find its focus at $(2,0)$ and directrix as $x=-2$

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