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In an arithmetic sequence with a1= 35 and d = -5, which term is – 15? The term - 15 is the th term of the sequence.
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In an arithmetic sequence with a1= 35 and d = -5, which term is – 15?

The term - 15 is the th term of the sequence.

User Elihu
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1 Answer

4 votes

Answer:

The term -15 is the 11-th term of the sequence

Explanation:


a_n=a_1+d(n-1)\\\\-15=35+(-5)(n-1)\\\\-15=35-5n+5\\\\5n=40+15\\\\5n=55\\\\n=11

User TheWellHopeErr
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