Answer
Center: $(0,0)$; Radius: $r=2$
Work Step by Step
Equation of a circle:
$(x-h)^2+(y-k)^2=r^2~~ $ (standard form)
Center: $(h,k)$; Radius: $r$
$x^2+y^2=4$
$(x-0)^2+(y-0)^2=2^2$
$h=0$, $k=0$, $r=2$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 1 - Review Exercises - Page 152: 14
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
