Write a Formula for the General Term (The Nth Term) $2 , - 4,8 , - 16,32 , \ldots$

question 8

Multiple Choice

Write a formula for the general term (the nth term) of the geometric sequence.
- $2 , - 4,8 , - 16,32 , \ldots$

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

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