Points (-2, 9) and (-6, 5) are endpoints of the diameter of a circle.
Points (-2, 9) and (-6, 5) are endpoints of the diameter of a circle.
(a) What is the length of the diameter? Give the exact answer, simplified as much as possible.
(b) What is the center point C of the circle?
(c) Given the point C you found in part (b), state the point symmetric to C about the x-axis.