Answer
vertex: $(4,2)$ Focus: $(4,\frac{19}{8})$ Directrix: $y=\frac{13}{8}$
Work Step by Step
$2x^2-16x-3y+38=0$
$(x-4)^2=\frac{3}{2}(y-2)$
Thus,
vertex: $(4,2)$ Focus: $(4,\frac{19}{8})$ Directrix: $y=\frac{13}{8}$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 10 - Section 10.5 - Conic Sections - 10.5 Exercises - Page 680: 8
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