Warm-Ups


1	The sequence 2, 6, 24, 120, . . . is a geometric sequence.
		A)	TRUE
		B)	FALSE


2	For a_n = 2ⁿ there is a common difference between adjacent terms.
		A)	TRUE
		B)	FALSE


3	The common ratio for the geometric sequence a_n = 3(0.5)^n-1 is 0.5.
		A)	TRUE
		B)	FALSE


4	If a = 3(2)^-n+3, then a₁ = 12.
		A)	TRUE
		B)	FALSE


5	In the geometric sequence a_n = 3(2)^-n+3 we have r = 1/2.
		A)	TRUE
		B)	FALSE


6	The terms of a geometric series are the terms of a geometric sequence.
		A)	TRUE
		B)	FALSE


7	To evaluate ∑ 2i from i = 1 to i = 10, we must list all of the terms.
		A)	TRUE
		B)	FALSE


8
		A)	TRUE
		B)	FALSE


9	10 + 5 + 5/2 + ... = 10/(1 - 1/2)
		A)	TRUE
		B)	FALSE


10	2 + 4 + 8 + 16 + ... = 2/(1 - 2)
		A)	TRUE
		B)	FALSE

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