Find the center, the vertices, and the foci of the ellipse. Then draw the graph. a. 9x2

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Find the center, the vertices, and the foci of the ellipse.
Then draw the graph.
a. 9x2 + 16y2 = 144
b. (x + 1)2/4 + (y - 2)2/9 = 1
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College Algebra Graphs and Models

ISBN: 978-0321845405

5th edition

Authors: Marvin L. Bittinger, Judith A. Beecher, David J. Ellenbogen, Judith A. Penna

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