1.	Factor x2 – 16.
		A.	(x + 2)(x – 8)	B.	(x + 4)(x + 4)
		C.	(x + 4)(x – 4)	D.	(x – 4)(x – 4)
		Hint
	2.	Which of the following trinomials is a perfect square trinomial?
		A.	x2 + 16x + 16
		B.	4y2 + 10y + 25
		C.	9a2 - 12a + 4
		D.	r2 - 6r + 36
		Hint
	3.	Solve a2 – 12a = -27.
		A.	a = 3	B.	a = 3 or a = 9
		C.	a = -27 or a = -15	D.	a = 9
		Hint
	4.	Find the solutions of the equation.(s – 5)(s + 1) = 0
		A.	s = 5 and s = –1
		B.	s = –5 and s = –1
		C.	s = –5 and s = 1
		D.	s = 5 and s = 1
		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