Question

What is the equation of the circle with center (3.2, -2.1) and radius 4.3?

Answer 1

The answer should be B.
equation of a circle is (x-h)^2 + (y-k)^2 = r^2
where (h,k) are the center coordinates and r is the radius
shout the answer should be (x-3.2)^2 + (y+ 2.1)^2 = 4.3^2