The answer is A. Im not exactly sure how to get there I just plugged it into my calculator.
The equation of a circle with center (h, k) and radius r is
(x - h)^2 + (y - k)^2 = r^2
A diameter of 18 means a radius of 9.
(x + 3)^2 + (y - 5)^2 = 81
Answer:
D 2i
Step-by-step explanation:
Well, you need to find it in y=mx+b format.
the point you have is (-2, 1)
