Algebra-1

Question Analysis
This question focuses on identifying an arithmetic sequence with all identical negative terms. The main task is to recognize that a zero common difference (from identical terms, even negative ones) qualifies a sequence as arithmetic.

Key Concept Explanation
An arithmetic sequence can have all terms identical, regardless of whether they are positive, negative, or zero. Such sequences have a common difference of 0.

Step-by-Step Solution
Calculate the differences between consecutive terms:

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