1.	Write the general form of the equation of the circle that passes through the points at (4, 2), (–3, 1), and (–2, –6).
		A.	x2 + y2 – 2x – 4y + 20 = 0
		B.	x2 + y2 + 2x – 4y – 20 = 0
		C.	x2 + y2 – 2x + 4y – 20 = 0
		D.	x2 + y2 + 2x + 4y – 20 = 0
		Hint
	2.	Write the equation of the circle whose diameter has endpoints at (3, –1) and (–9, 5).
		A.	(x + 3)2 + (y – 2)2 = 45
		B.	(x + 3)2 + (y – 2)2 = 13
		C.	(x – 3)2 + (y + 2)2 = 13
		D.	(x – 3)2 + (y + 2)2 = 45
		Hint
	3.	Write the equation of a circle that passes through points (1, 2), (-1, 4) and (-3, 2) in standard form.
		A.	(x + 1)2 + (y - 2) 2 = 4
		B.	(x + 1) 2 + (y - 3) 2 = 4
		C.	(x - 1) 2 + (y + 3) 2 = 4
		D.	(x - 1) 2 + (y - 2) 2 = 4
		Hint
	4.	Write the equation of a circle that has a diameter with endpoints at (1, 0) and (5, 4).
		A.	(x - 3) 2 + (y - 2) 2 = 8
		B.	(x + 3) 2 + (y - 2) 2 = 64
		C.	(x + 3) 2 + (y + 2) 2 = 8
		D.	(x - 3) 2 + (y - 2) 2 = 64
		Hint
	5.	The equation of a circle is (x - 8) 2 + (y + 3)2 = 48, find the center and the radius.
		A.	(8, 3);	B.	(8, -3);
		C.	(-8, -3);	D.	(-8, 3);
		Hint