Answer
The equation matches with the graph labeled as (f).
Work Step by Step
$\frac{x^2}{9}+y^2=1$
$\frac{(x-0)^2}{3^2}+\frac{(y-0)^2}{1^2}=1$
It is an ellipse with center at origin $(0,0)$ and the major axis is horizontal whose length is 3.
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 4 - 4.3 - Conics - 4.3 Exercises - Page 337: 11
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