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Just check my work for the problem below. my work is in the comments. (refrain from answering until it's up) problem: Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credit. x2 + 4x + y2 − 6y = −4
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x^2+4x+y^2-6y=-4 (x^2+4x)+(y^2-6y)=-4 (4/2)^2=4 (6/2)^2=9 (x^2+4x+4)+(y^2-6y+9)=-4+(4+9) (x^2+4x+4)+(y^2-6y+9)=9 (x+2)^2+(y-3)^2=3^2 center=(-2.3) Radius=3
@honda wrote:
x^2+4x+y^2-6y=-4
(x^2+4x)+(y^2-6y)=-4
(4/2)^2=4
(6/2)^2=9
(x^2+4x+4)+(y^2-6y+9)=-4+(4+9)
(x^2+4x+4)+(y^2-6y+9)=9
(x+2)^2+(y-3)^2=3^2
center=(-2.3) Radius=3
@katrin369 You sure it's not 6..?
Yes I'm sure.
@honda put in 3 but if it's wrong try 6
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@200082741 wrote:
@honda put in 3 but if it's wrong try 6
Try 3.
Oh shoot nvm- yeah it's 3
I was solving for x xD mb
alright. thanks guys
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