Answer:
The center of the circle is (7, 4)
Step-by-step explanation:
Use the midpoint formula to obtain the x- and y-coordinates of the midpoint, which is also the center of the circle.
3 + 11
xm = h = ------------ = 7
2
1 + 7
ym = k = ------------ = 4
2
The center of the circle is (7, 4)