What is the equation of a circle with center A(3, -5) and radius 12? What is the equation of a circle with center B(-4, -0) and radius 7?

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I really dont understand this, Can someone help me

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Answer 1 · 2018-04-03T21:14:31

#(x-3)^2#+#(y+5)^2#=144

#(x+4)^2+y^2=49#

#(x-a)^2+(y-b)^2=r^2#
Where #(a,b)# are the coordinates of the centre and #r# is the radius