2. For the circle with equation (x – 2)2 + (y + 3)2 = 9, answer each question:

Question

a) What are the coordinates of the center? none
b) What are the radius and diameter of the circle? 360
c) Graph the circle.

Answer 1

a. (h,k) = (2,-3)

b. r = sqrt 9 = 3
D = 2*r = 2 * 3 = 6