1.	The roots of  x2 + 4x + 7 are________.
		A.	imaginary	B.	real and rational
		C.	real and irrational	D.	real and imaginary
		Hint
	2.	Find a quadratic equation that has roots 6 + 2i and 6 - 2i.
		A.	x2 - 12x - 40 = 0	B.	x2 +12x - 40 = 0
		C.	x2 + 12x + 40 = 0	D.	x2 - 12x + 40 = 0
		Hint
	3.	Find the axis of symmetry of the graph of  f(x) = 4x2 -4x + 4.
		A.	x = 2	B.	x =
		C.	y = 3	D.	x = 4
		Hint
	4.	Determine whether f(x) = –x2 – 3x + 4 has a maximum or a minimum.
		A.	both	B.	cannot be determined from given information
		C.	maximum	D.	minimum
		Hint
	5.	Find the minimum value of .
		A.	2	B.	11
		C.	(2, 7)	D.	7
		Hint
	6.	Solve 0 = x2 + 4x + 5 by graphing.
		A.	2	B.	–1, 5
		C.	1, –5	D.	no real roots
		Hint
	7.	A quadratic function has two real roots. How many times does the graph cross the x-axis?
		A.	2	B.	0
		C.	1	D.	cannot be determined from given information.
		Hint
	8.	What is the negative solution of the equation ?
		A.	–5	B.
		C.	–3	D.	3
		Hint
	9.	Solve x2 + 8x + 16 = 36 by using the Square Root Property.
		A.	-2 and –14	B.	2 and –10
		C.	-4	D.	2
		Hint
	10.	Solve 2x2 - 7x + 5 = 0 by completing the square.
		A.		B.
		C.	4, 10	D.
		Hint
	11.	Find the value for the discriminant for the following equation: . Then describe the number and type of roots.
		A.	The discriminant is negative, so there are two complex roots.	B.	The discriminant is 100, which is a perfect square; therefore, there are two rational roots
		C.	The discriminant is 100, which is not a perfect square; therefore, there are two irrational roots	D.	The discriminant is 96, which is not a perfect square; therefore, there are two irrational roots.
		Hint
	12.	Which of the following functions will have the widest graph?
		A.	y = –2x2 + 5x – 1	B.	y = 3x2 – 8
		C.	y = x2 +3x + 1	D.	y = x2 + x – 3
		Hint
	13.	Solve by graphing.
		A.	{x| –1.12 < x < 3.12}	B.	{x| –1.12 < x < 0}
		C.	{x| 0 < x < 3.12}	D.	{x| 0 < x < 3}
		Hint
	14.	When is it true that x2 + x > –2?
		A.		B.
		C.		D.	all real numbers
		Hint