1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	126	B.	30
		C.	14	D.	62
		Hint
	2.	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.	1020	D.	340
		Hint
	3.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-635	B.	-527
		C.	-599	D.	-689
		Hint
	4.	Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
		A.	64	B.	63.75
		C.		D.	1.5
		Hint
	5.	Evaluate .
		A.	6	B.	15
		C.	10.5	D.	7.5
		Hint