Find an Explicit Rule for the Nth Term of the Arithmetic

question 132

Multiple Choice

Find an explicit rule for the nth term of the arithmetic sequence.
- $$- 9 , - 17 , - 25 , - 33 , \ldots$$

• A) \(a _ { n } = - 9 - ( - 8 ) ( n + 1 )\)
• B) \(a _ { n } = - 9 + ( - 8 ) ( n - 1 )\)
• C) \(a _ { n } = - 9 + ( - 8 ) ( n + 1 )\)
• D) \(a _ { n } = - 9 \times ( - 8 ) ( n - 1 )\)

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