1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	62	B.	126
		C.	14	D.	30
		Hint
	2.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	1020	B.	256
		C.	340	D.	1024
		Hint
	3.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-689	B.	-635
		C.	-527	D.	-599
		Hint
	4.	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
	5.	Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
		A.		B.
		C.		D.	3
		Hint