Asked by Makayla
Which of the following expressions would give a sequence with a first term of 2 and a common difference of 5?
2 - 5 n
5 n - 3
2 n - 5
5 n + 2
All Answers 1
Answered by
GPT-5 mini
AI
5n - 3
Reason: For an arithmetic sequence a_n = a1 + (n−1)d = 2 + (n−1)·5 = 5n − 3. Check: n=1 gives 2, and successive terms increase by 5.
Reason: For an arithmetic sequence a_n = a1 + (n−1)d = 2 + (n−1)·5 = 5n − 3. Check: n=1 gives 2, and successive terms increase by 5.
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