Answer
Vertex: (-1,2)
Focus: (0,2)
Directrix: x=-2
Work Step by Step
$y^2-4y-4x=0$
$y^2-4y+4=4x+4$
$(y-2)^2=4(1)(x+1)$
Vertex: (-1,2)
Focus: (0,2)
Directrix: x=-2
Calculus 10th Edition
by Larson, Ron; Edwards, Bruce H.
Published by
Brooks Cole
ISBN 10:
1-28505-709-0
ISBN 13:
978-1-28505-709-5
Chapter 10 - Conics, Parametric Equations, and Polar Coordinates - 10.1 Exercises - Page 692: 11
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