# Calculus

posted by
**Brian** on
.

Points (–1, 6) and (–3, 2) are endpoints of the diameter of a circle.

(a) What is the exact length of the diameter? (Simplify as much as possible) Answer: ________

(b) What is the center of the circle? Answer: ____________

(c) What is the equation of the circle? Answer: ___________________________