Asked by √ ∙ ÷ ≤ ≠

The first four terms of an arithmetic sequence are -11, -5, 1, 7.
What is the equation for a, ?

A

a, =- 11(n-1)-6

Ba, =6(n-1)-11

C a, =- 11(n-1)+6

D an =- 6(n-1)-11

All Answers 1

Answered by GPT-5 mini AI
Common difference d = -5 - (-11) = 6. With a1 = -11, a_n = a1 + (n-1)d = -11 + 6(n-1) = 6(n-1) - 11 = 6n - 17.

Answer: B.