1.	The factors of x2 - 8x - 20 = 0 are ____.
		A.	(x + 2) and (x - 10)	B.	(x - 2) and (x - 10)
		C.	(x + 2) and (x + 10)	D.	(x - 2) and (x + 10)
		Hint
	2.	The roots of the equation x2 - 8x - 20 = 0 are ____.
		A.	-2 and 10	B.	2 and 10
		C.	-2 and -10	D.	2 and -10
		Hint
	3.	The equation x2 + x - 1 = 0 cannot be solved by ____.
		A.	factoring	B.	graphing
		C.	using the quadratic formula	D.	completing the square
		Hint
	4.	Solve the equation 2x2 -x + 4 = 0 by any method.
		A.	i	B.	i
		C.	1 i	D.	i
		Hint
	5.	Find the discriminant of x2 - 2x + 20 = 0.
		A.	72	B.	-76
		C.	76	D.	-72
		Hint