Answer
Centre = (0, -3)
Radius = 3
Work Step by Step
$x^{2}$ + $y^{2}$ + 6y = 0
$x^{2}$ + $(y+3)^{2}$ - 9 = 0
$x^{2}$ + $(y+3)^{2}$ = 9
$x^{2}$ + $(y+3)^{2}$ = $3^{2}$
Centre = (0, -3)
Radius = 3
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 13 - Section 13.1 - The Parabola and the Circle - Exercise Set - Page 926: 23
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