1.	Use the graph to determine the solution of -x2 + 6x - 9 = 0.
		A.	3	B.	4
		C.	2	D.	-9
		Hint
	2.	Solve the equation  n2 +3n = 0 by graphing.
		A.	0, 3	B.	0, -3
		C.	0	D.	3
		Hint
	3.	Solve the equation  w2 - 4w = 12 by graphing.
		A.	-2, 6	B.	6
		C.	0, -3	D.	1, 4
		Hint
	4.	Find two real numbers whose sum is 12 and whose product is 32.
		A.	8 and 4	B.	7 and 5
		C.	2.25 and –14.25	D.	no solution
		Hint
	5.	A quadratic function has two real roots. How many times does the graph cross the x-axis?
		A.	cannot be determined from given information.	B.	1
		C.	2	D.	0
		Hint