1.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	256	B.	1024
		C.	340	D.	1020
		Hint
	2.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	325	B.	732
		C.	322.6	D.	-726
		Hint
	3.	Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
		A.		B.	1.5
		C.	64	D.	63.75
		Hint
	4.	Evaluate .
		A.	7.5	B.	15
		C.	10.5	D.	6
		Hint
	5.	Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
		A.		B.
		C.	3	D.
		Hint