1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	30	B.	14
		C.	62	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.	1020	B.	1024
		C.	340	D.	256
		Hint
	3.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-599	B.	-689
		C.	-527	D.	-635
		Hint
	4.	Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
		A.		B.	1.5
		C.	63.75	D.	64
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint