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Mathematics 8 Online
OpenStudy (anonymous):

GEOMETRY HELP PLEASE (picture)

OpenStudy (anonymous):

OpenStudy (mertsj):

What is the center of that circle?

OpenStudy (anonymous):

i think it's 3 and -2

OpenStudy (anonymous):

because it goes by 2

OpenStudy (mertsj):

Me too. What is the radius?

OpenStudy (anonymous):

3>

OpenStudy (anonymous):

3? *

OpenStudy (mertsj):

Yes. Here is the equation of a circle:

OpenStudy (mertsj):

\[(x-h)^2+(y-k)^2=r^2\]

OpenStudy (jhannybean):

I wish the circle was circumscribed around definable points :(

OpenStudy (anonymous):

(x-3)^2 + (y+2)^2 = 3^2 ?

OpenStudy (mertsj):

The center is (h,k) and the radius is r. So substitute the numbers from your problem

OpenStudy (mertsj):

yes

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