Answer
Center: $(0,0)$
Radius: $r=7$
Work Step by Step
The equation of a circle in standard form:
$(x-h)^2+(y-k)^2=r^2$ in which $(h,k)$ is the center and $r$ is the radius
$x^2+y^2=49$
$(x-0)^2+(y-0)^2=7^2$
Center: $(0,0)$
Radius: $r=7$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 4 - 4.4 - Translations of Conics - 4.4 Exercises - Page 347: 15
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