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1. Is the sequence 5, 9, 15, ... an arithmetic sequence? Explain
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1. Is the sequence 5, 9, 15, ... an arithmetic sequence? Explain

User Damil
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NO.  All arithmetic sequences have a common difference.  Each term is a constant difference from the previous term.  Since 9-5 is not equal to 15-9, this is not an arithmetic sequence.
User Shan Valleru
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3 votes
No, there is not a constant number between each term in the sequence.
User Ramandeep
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