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Mathematics 7 Online
OpenStudy (anonymous):

Which of the following is an arithmetic sequence? -2, 4, -6, 8, ... -8, -6, -4, -2, ... 2, 4, 8, 16, ...

OpenStudy (astrophysics):

It's an arithmetic sequence if \[t_2 - t_1 = t_3 - t_2 = d\] where d is your common difference, and the t's represent your terms.

OpenStudy (anonymous):

Okie Dokie:) Thank you:)

OpenStudy (astrophysics):

Np

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