Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 10 - Section 10.1 - Distance and Midpoint Formulas; Circles - Exercise Set: 31

Answer

$x^2+y^2=49$

Work Step by Step

RECALL: The standard form of the equation of a circle centered at $(0, 0)$ with a radius of $r$ units is: $x^2 + y^2 = r^2$ Use the standard form above where $r=7$ to obtain: $x^2 + y^2 = 7^2 \\x^2+y^2=49$
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