If the 27th term of an arithmetic sequence is -124 and the common difference is -11 then what was the first term?

asked Oct 7, 2022 111k views

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Answer:

First term = 162.

Explanation:

a27 = a1 - 11 (27 - 1)

= a1 - 286

So a1 - 286 = -124

a1 = 162.

Robert Harris answered Oct 11, 2022

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