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Mathematics 21 Online
OpenStudy (anonymous):

Need help pleasee!!!! Find the radius and center of the circle given by the equation below. (x-6)^2+(y+4)^2=7 A.r=7 and center at (-6,4) B.r=7 and center at (6,-4) C.r=sqrt7 and center at (-4,6) D.r=sqrt7 and (6,-4)

OpenStudy (anonymous):

nevermind people

OpenStudy (anonymous):

The answer is B.

OpenStudy (anonymous):

thanks man

OpenStudy (anonymous):

actually it is not B

OpenStudy (anonymous):

It is not B. the 7 is also squared, therefore the actual radius is √7 or D.

OpenStudy (anonymous):

ohhh thanks good thing i have a retry

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