#### Answer

A circle with radius $\sqrt5$, centered at $(0,0)$.

#### Work Step by Step

$r^2=5$
Since $r^2=x^2+y^2$, we get:
$x^2+y^2=5$
This is the circle formula ($x^2+y^2=r^2$) and describes a circle with radius $\sqrt5$, centered at $(0,0)$.

Published by
Cengage

ISBN 10:
1285740629

ISBN 13:
978-1-28574-062-1

A circle with radius $\sqrt5$, centered at $(0,0)$.

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