Answer
vertex: $(1,-5)$
Foci: $(\frac{5}{4},-5)$
Directrix: $x=\frac{3}{4}$
Work Step by Step
$(y+5)^2=(x-1)$
Thus,
vertex: $(1,-5)$
Foci: $(\frac{5}{4},-5)$
Directrix: $x=\frac{3}{4}$
Multivariable Calculus, 7th Edition
by Stewart, James
Published by
Brooks Cole
ISBN 10:
0-53849-787-4
ISBN 13:
978-0-53849-787-9
Chapter 10 - Parametric Equations and Polar Coordinates - 10.5 Exercises - Page 700: 6
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