Answer
$x_1=\sqrt{11}$
$x_2=-\sqrt{11}$
Work Step by Step
We have to solve $x^2=11$. Taking the square root of the left and right sides we get two solutions.
$$x_1=\sqrt{11}$$
$$x_2=-\sqrt{11}$$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 13 - Conic Sections - 13.2 Conic Sections: Ellipses - 13.2 Exercise Set - Page 862: 41
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