1.	Find the value of b that makes x2 + bx + 36 a perfect square.
		A.	12	B.	6
		C.	-12, 12	D.	324
		Hint
	2.	Solve x2 - 4x + 1 = 0 by completing the square.
		A.		B.	1, 3
		C.		D.
		Hint
	3.	Solve 2z2 + z - 4 = 0 by completing the square.
		A.		B.	-2, 1
		C.		D.
		Hint
	4.	Solve x2 – 8x + 16 = 13 by taking the square root of each side.
		A.	-4	B.	-2
		C.	4	D.	2
		Hint
	5.	When using a quadratic equation of the form ax2 + bx + c = 0 to find distances, what should always be ignored?
		A.	any solution if is negative	B.	any solution if a is negative
		C.	any positive solution	D.	any negative solution
		Hint