1.	Find the sum of the first five terms of the geometric series for which a1 = 2 and r = 2.
		A.	62	B.	30
		C.	126	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.	340	B.	1020
		C.	1024	D.	256
		Hint
	3.	Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
		A.	-635	B.	-689
		C.	-527	D.	-599
		Hint
	4.	Find the sum of a geometric series for which a1 = 23,328, an = 3, and r = .
		A.	27,990	B.	23,327
		C.	27,993	D.	19,440
		Hint
	5.	Write the series 4 + 6 + 9 + using sigma notation.
		A.		B.
		C.		D.
		Hint