Question

If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its radius is

Answer 1

okay the equation given to you is->
\(\large (x+4)^2+(y-6)^2=25\)


the standard equation of a circle with center \((h,k)\) and radius \(r\) is given like this->
\(\large (x-h)^2+(y-k)^2=r^2\)

compare your equation with the standard equation to get the radius :)