1.	If you solve x2 - 8x - 20 = 0 by the method of completing the square, add 20 to each side and then ____.
		A.	add 8 to each side	B.	add 16 to each side
		C.	add 32 to each side	D.	add 4 to each side
		Hint
	2.	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
	3.	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
	4.	The equation x2 + x - 1 = 0 cannot be solved by ____.
		A.	graphing	B.	factoring
		C.	completing the square	D.	using the quadratic formula
		Hint
	5.	Solve the equation 2x2 -x + 4 = 0 by any method.
		A.	1 i	B.	i
		C.	i	D.	i
		Hint