Answer:
The correct answer is D) (x - 8)^2 + (y - 4)^2 = 16
Explanation:
In order to find this, we simply need to use the base form of a circle.
(x - x1)^2 + (y - y1)^2 = r^2
Now we input the values of the vertex and the radius.
(x - 8)^2 + (y - 4)^2 = 4^2
(x - 8)^2 + (y - 4)^2 = 16