1.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	322.6	B.	-726
		C.	732	D.	325
		Hint
	2.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-689	B.	-599
		C.	-527	D.	-635
		Hint
	3.	Evaluate .
		A.	7.5	B.	15
		C.	10.5	D.	6
		Hint
	4.	Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
		A.	3	B.
		C.		D.
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint