1.	Solve  x2 + 7x + 8 = 0.
		A.		B.
		C.		D.
		Hint
	2.	Solve 2x2 - 4x + 3 = 0.
		A.		B.
		C.		D.
		Hint
	3.	Suppose a ball is thrown straight up at a speed of 50 feet per second. The time in seconds that it takes for the ball to hit the ground can be found by solving the equation 5 + 50t - 16t2 = 0. Approximately how long does it take for the ball to hit the ground?
		A.	3.2 s	B.	0.1 s
		C.	4.8 s	D.	-0.1 s
		Hint
	4.	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 96, which is not a perfect square; therefore, there are two irrational roots.	D.	The discriminant is 100, which is not a perfect square; therefore, there are two irrational roots
		Hint
	5.	Solve by using the quadratic formula.
		A.		B.
		C.		D.
		Hint