Answer
(C).
Work Step by Step
Based on the given graph, we have $a=4,b=2$ thus an equation $\frac{x^2}{4^2}+\frac{y^2}{2^2}=1$ and the answer is (C).
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 9 - Analytic Geometry - Section 9.3 The Ellipse - 9.3 Assess Your Understanding - Page 677: 13
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