1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	62	B.	14
		C.	30	D.	126
		Hint
	2.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	340	B.	256
		C.	1020	D.	1024
		Hint
	3.	Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
		A.	63.75	B.
		C.	1.5	D.	64
		Hint
	4.	Evaluate .
		A.	10.5	B.	7.5
		C.	15	D.	6
		Hint
	5.	Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
		A.	3	B.
		C.		D.
		Hint