Question

Which of the following is an arithmetic sequence?
0-2,4, -6, 8,...
O 2, 4, 8, 16,...
O-8, -6, -4,-2....

Answer 1

Answer: Choice C)  -8, -6, -4, -2, ...

This is because we are adding the same thing to each term to get the next term. In this case, we're adding 2 each time

-8+2 = -6

-6+2 = -4

-4+2 = -2

and so on. This common 2 we're adding on is known as the common difference.