Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 13 - Section 13.1 - The Parabola and the Circle - Practice - Page 927: 41


$x^{2}$ + $y^{2}$ = 3

Work Step by Step

The equation $(x-h)^{2}$ + $(y-k)^{2}$ = $r^{2}$ is an equation that describes a circle. In this problem, $(h, k)$, the center, is $(0,0)$, and $r$, the radius, is $\sqrt 3$. Therefore, the equation of this circle is $x^{2}$ + $y^{2}$ = 3.
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