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Determine Whether the Given Sequence Is Arithmetic, Geometric, or Neither

Question 22

Multiple Choice

Determine whether the given sequence is arithmetic, geometric, or neither. If the sequence is arithmetic, find the
common difference; if it is geometric, find the common ratio.
-1, -3, 9, -27, 81, ...


A) Geometric; r = -3
B) Geometric; r = 3
C) Arithmetic; d = -4
D) Neither

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