1.	Find the value of b that makes x2 + bx + 36 a perfect square.
		A.	12	B.	6
		C.	324	D.	-12, 12
		Hint
	2.	Solve x2 - 4x + 1 = 0 by completing the square.
		A.		B.	1, 3
		C.		D.
		Hint
	3.	Solve a2 - a - 20 = 0 by completing the square.
		A.	-5, 4	B.
		C.		D.	-4, 5
		Hint
	4.	Solve x2 – 8x + 16 = 13 by taking the square root of each side.
		A.	-2	B.	2
		C.	4	D.	-4
		Hint
	5.	Solve x2 – 16x – 17 = 0 by completing the square.
		A.	{1, 17}	B.	{–1, 13}
		C.	{1, 13}	D.	{–1, 17}
		Hint