Answer
Focus: $(3,0)\quad$ Directrix: $x=-3$
Work Step by Step
$y^{2}=4px \quad \Rightarrow \quad $the parabola opens right,
$y^{2}=4(3)x \quad \Rightarrow \quad p=3$
Focus: $(3,0)\quad$ Directrix: $x=-3$
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 11: Parametric Equations and Polar Coordinates - Section 11.6 - Conic Sections - Exercises 11.6 - Page 678: 9
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