Find a Formula for the Nth Term of the Sequence $a _ { n } = 6 ( - 1 ) ^ { n + 1 }$

question 441

Multiple Choice

Find a formula for the nth term of the sequence.
-6, -6, 6, -6, 6 (6's with alternating signs)

• A) \(a _ { n } = 6 ( - 1 ) ^ { n + 1 }\)
• B) \(a _ { n } = 6 ( - 1 ) ^ { n }\)
• C) \(a _ { n } = 6 ( - 1 ) ^ { 2 n + 1 }\)
• D) \(a _ { n } = 6 ( - 1 ) ^ { 2 n - 1 }\)

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