1.	Find the equation of a circle that has a diameter of 8 units, centered at C(-3, -7).
		A.	(x - 3)2 + (y - 7)2 = 8	B.	(x + 3)2 + (y + 7)2 = 64
		C.	(x + 3)2 + (y + 7)2 = 16	D.	(x - 3)2 + (y - 7)2 = 16
		Hint
	2.	Find the radius of the circle with the equation (x - 4)2 + (y + 1)2 = 48. Express in simplest form.
		A.		B.
		C.		D.
		Hint
	3.	What are the coordinates of the center of a circle defined by the equation (x + 7)2 + (y - 8)2 = 16?
		A.	(-7, -8)	B.	(-7, 8)
		C.	(7, 8)	D.	(7, -8)
		Hint
	4.	Find the diameter of a circle defined by the equation (x + 4) 2 + (y - 16) 2 = 192. Express in simplest form.
		A.		B.
		C.	96	D.
		Hint
	5.	Which graph is the correct graph for a circle defined by the equation (x + 3)2 + (y - 4)2 = 9?
		A.		B.
		C.		D.
		Hint