1.	Factor x2 + 5x + 6.
		A.	(x + 1)(x + 5)	B.	(x + 2)(x + 3)
		C.	prime	D.	(x + 1)(x + 6)
		Hint
	2.	Factor x2 – 16.
		A.	(x – 4)(x – 4)	B.	(x + 4)(x + 4)
		C.	(x + 2)(x – 8)	D.	(x + 4)(x – 4)
		Hint
	3.	Which of the following trinomials is a perfect square trinomial?
		A.	x2 + 16x + 16
		B.	r2 - 6r + 36
		C.	9a2 - 12a + 4
		D.	4y2 + 10y + 25
		Hint
	4.	Solve x2 – x – 72 = 0.
		A.	x = 8 or x = -9	B.	x = -8
		C.	x = -8 or x = 9	D.	x = 9
		Hint
	5.	Factor the quadratic expression.x2 + 2x – 24
		A.	(x – 6)(x + 4)	B.	(x + 6)(x – 4)
		C.	(x + 6)(x + 4)	D.	(x – 6)(x – 4)
		Hint