1.	Find the value of c that makes x2 + 16x + c a perfect square.
		A.	-64	B.	64
		C.	8	D.	16
		Hint
	2.	Find the value of b that makes x2 + bx + 36 a perfect square.
		A.	6	B.	324
		C.	12	D.	-12, 12
		Hint
	3.	Solve a2 - a - 20 = 0 by completing the square.
		A.		B.	-5, 4
		C.	-4, 5	D.
		Hint
	4.	Solve 2z2 + z - 4 = 0 by completing the square.
		A.		B.
		C.		D.	-2, 1
		Hint
	5.	Solve x2 – 8x + 16 = 13 by taking the square root of each side.
		A.	4	B.	-2
		C.	-4	D.	2
		Hint