Question

Find the equation of the cirile with centre at(2,-3) and radius 8

Answer 1

Answer:

x^2+y^2-4x+6y-39=0

Step-by-step explanation:

equation of circle with centre (h,k) and radius a is

          = (x-h)^2+(y-k)^2 = 0

          = x^2+y^2-2hx-2ky+h^2+k^2-a^2 = 0