Question

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

Answer 1

-8,-6,-4,-2 .... is Arithmetic series.

Explanation:

Since common difference is 2 in the -8,-6,-4,-2....

or we can get next term on adding 2 in each term

so it is arithmetic series.

Answer 2

Answer: -8, -6, -4, -2

Explanation:

This would be the ideal choice because an arithmetic sequence is something that progresses, and in this case, the correct answer choice increases by 2 each time.