Write a formula for the general term (the nth term) of the geometric sequence.3, - 1, , - , , . . .

A. an = 3 n
B. an = 3 n - 1
C. an = 3 n - 1
D. an = 3 n + 1

Answer: B

Mathematics

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Completely factor the polynomial or state that the polynomial is prime.64 - 27x3

A. (4 + 3x2)(16 - 12x + 9x2) B. (4 - 3x)(16 + 9x2) C. (64 - 3x)(1 + 12x + 9x2) D. (4 - 3x)(16 + 12x + 9x2)

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A. 75 cm2 B. 375 cm2 C. 187.5 cm2 D. 203.125 cm2

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Use a graphing utility to find the sum of the geometric sequence. Round answer to two decimal places, if necessary. +  +  +  + ... + 

A. 6553.4 B. 3276.4 C. 6553.2 D. 3276.6

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