Question 1043670
The radius of the circle is {{{sqrt((-3-0)^2+(4-0)^2) = sqrt(9+16) = sqrt(25) = 5}}}

Therefore the equation of the circle is 

{{{(x--3)^2+(y-4)^2 = 5^2}}}, or 


{{{highlight((x+3)^2+(y-4)^2 = 25)}}}.