1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	126	B.	62
		C.	30	D.	14
		Hint
	2.	What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
		A.	1024	B.	256
		C.	1020	D.	340
		Hint
	3.	Determine the sum of the geometric series for which a1 = -486, , and an = -6.
		A.	-726	B.	325
		C.	732	D.	322.6
		Hint
	4.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-635	B.	-527
		C.	-599	D.	-689
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint