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What is the 97th term of the sequence 2, -6, -14. ... ?

What is the 97th term of the sequence 2, -6, -14. ... ?
asked 50.7k views
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What is the 97th term of the sequence 2, -6, -14. ... ?

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User Morris De Oryx
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1 Answer

12 votes

Explanation:


an = a1 + (n - 1)d \\ d = a2 - a1 \\ a1 = 2 \\ a2 = - 6 \\ d = - 8 \\ an = 2 + (n - 1) * - 8 \\ an = 2 - 8n + 8 \\ an = 10 - 8n \\ a97 = 10 - 8 * 97 \\ a97 = - 766

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User David John Smith
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