1.	Select the trinomial that is not a perfect square trinomial.
		A.	25x2 + 40x + 16	B.	x2 + 9x + 3
		C.	9x2 – 6x + 1	D.	x2 + 8x + 16
		Hint
	2.	Factor the binomial c2 – 625.
		A.	prime	B.	(c + 25)(c – 25)
		C.	(c – 25)2	D.	(c – 125)(c + 5)
		Hint
	3.	Factor the binomial x2 + 81.
		A.	prime	B.	(x – 18)(x + 5)
		C.	(x – 9)(x + 9)	D.	(x + 9)2
		Hint
	4.	Factor the trinomial 4x2 + 12x + 9.
		A.	(2x – 3) 2	B.	(2x + 3) 2
		C.	(2x + 3)(2x – 3)	D.	(2x + 3)(3x + 2)
		Hint
	5.	Factor the binomial x2 – 5.
		A.	(x – 5)(x + 5)	B.	(x – 5) 2
		C.		D.
		Hint