Find an Explicit Rule for the Nth Term of the Arithmetic

question 50

Multiple Choice

Find an explicit rule for the nth term of the arithmetic sequence.
- $$- 20 , - 14 , - 8 , - 2 , \ldots$$

• A) \(a _ { n } = - 20 + 6 ( n + 2 )\)
• B) \(a _ { n } = - 20 \times 6 ( n - 1 )\)
• C) \(a _ { n } = - 20 + 6 ( n - 1 )\)
• D) \(a _ { n } = - 20 + 6 ( n + 1 )\)

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