1.	Solve the equation  n2 +3n = 0 by graphing.
		A.	0, 3	B.	0, -3
		C.	0	D.	3
		Hint
	2.	Solve 0 = x2 + 4x + 5 by graphing.
		A.	–1, 5	B.	no real roots
		C.	2	D.	1, –5
		Hint
	3.	Solve by graphing. If exact roots cannot be found, state the consecutive integers between which the roots are located.
		A.	between 0 and 1, and 2 and 3	B.	1, 2
		C.	between 0 and 1, and 1 and 2	D.	between –1 and 0, and 1 and 2
		Hint
	4.	Solve by graphing.
		A.	x = –2	B.	x = 0
		C.	x = 2	D.	no real roots
		Hint
	5.	A quadratic function has two real roots. How many times does the graph cross the x-axis?
		A.	1	B.	cannot be determined from given information.
		C.	0	D.	2
		Hint