Question

Which of the following sequences of numbers are arithmetic sequences? Check all that apply.

Answer 1

C and D

Answer 2

B also

Answer 3

for arithmetic sequences u should find the difference between consecutve terms and check if they r same

Answer 4

Find the diffrence between two consecutive terms. If the difference is constant through out the series then it is an arithmetic series.
Difference can be found using
\(d=a_{n+1}-a_n\)
Hope that helps:)

Answer 5

so which ones officially?

Answer 6

Take first option
1,-2,3,-4,5,....
-2-1=-3
3-(-2)=5
the difference is not consistent. so this is not an arithmetic sequence.
Similarly check the other options.:)

Answer 7

Can u do @kaykim95?