Question

Which of the following is an arithmetic sequence?

O 1,-3,9,-27...
0-2, 4, -6, 8, ...
-8, -6, -4,-2....
O2, 4, 8, 16, ...

Answer 1

9514 1404 393

Answer:

(c) -8, -6, -4, -2, ...

Explanation:

An arithmetic sequence has sequential terms that have a common difference.

The first differences of the offered sequences are ...

a) -4, 12, -36

b) 6, -10, 14

c) 2, 2, 2 . . . . . . constant, so an arithmetic sequence

d) 2, 4, 8

__

The arithmetic sequence is -8, -6, -4, -2, ....