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Mathematics 20 Online
OpenStudy (anonymous):

please help me equation of a circle If (x+2)2+(y-3)2=25 is an equation of a circle whose center is (-2,k)then k equals. choices 1 2 3 4

OpenStudy (hexagon001):

3 (x-a)^2 + (y-b)^2 =25 centre of circle is (a,b)

OpenStudy (anonymous):

Thank you

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