Question

In the following exercises, (a) identify the center and radius and (b) graph. $x^2+y^2+6 y+5=0$

   In the following exercises, (a) identify the center and radius and (b) graph.
$x^2+y^2+6 y+5=0$
Intermediate Algebra
Intermediate Algebra
Lynn Marecek 1st Edition
Chapter 11, Problem 45 ↓
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In the following exercises, (a) identify the center and radius and (b) graph. $x^2+y^2+6 y+5=0$
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Transcript

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00:01 We need to find the center and the radius of the circle equation and then graph it.
00:06 So we're going to complete the square.
00:08 So there's no other x is, so x squared is by itself.
00:11 And we have y squared minus 6y.
00:13 We leave a space.
00:14 Move the 5 over becomes negative 5.
00:17 To complete the square for the y, we take the middle term divided by 2 and we square it.
00:22 And that becomes 9.
00:23 So we add 9 to the other side...
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