1.	Solve the equation  n2 +3n = 0 by graphing.
		A.	0, -3	B.	3
		C.	0	D.	0, 3
		Hint
	2.	Solve the equation  w2 - 4w = 12 by graphing.
		A.	1, 4	B.	0, -3
		C.	-2, 6	D.	6
		Hint
	3.	Find two real numbers whose sum is 12 and whose product is 32.
		A.	2.25 and –14.25	B.	7 and 5
		C.	8 and 4	D.	no solution
		Hint
	4.	Solve 0 = x2 + 4x + 5 by graphing.
		A.	no real roots	B.	2
		C.	–1, 5	D.	1, –5
		Hint
	5.	Solve by graphing.
		A.	x = 2	B.	x = 0
		C.	no real roots	D.	x = –2
		Hint