1.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	340	B.	1024
		C.	1020	D.	256
		Hint
	2.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	322.6	B.	-726
		C.	732	D.	325
		Hint
	3.	Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
		A.	64	B.	1.5
		C.		D.	63.75
		Hint
	4.	Find the sum of a geometric series for which a1 = 23,328, an = 3, and r = .
		A.	27,990	B.	19,440
		C.	23,327	D.	27,993
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint