Which of the following sequences of numbers are arithmetic sequences?

Check all that apply.

A. 1, -2, 3, -4, 5, ...
B. 12,345, 12,346, 12,347, 12,348, 12,349, ...
C. 154, 171, 188, 205, 222, ...
D. 1, 8, 16, 24, 32, ...
E. -3, -10, -17, -24, -31, ...

Question

Which of the following sequences of numbers are arithmetic sequences?

Check all that apply.

 		A.	1, -2, 3, -4, 5, ...
 		B.	12,345, 12,346, 12,347, 12,348, 12,349, ...
 		C.	154, 171, 188, 205, 222, ...
 		D.	1, 8, 16, 24, 32, ...
 		E.	-3, -10, -17, -24, -31, ...

loser66 · Answer

google and tell me the definition of arithmetic sequence. I guide you then. I forgot, please

anonymous · Answer

you find the diffrence between two consecutive terms. If the difference is constant through out the series then it is an arithmetic series.
i found the Difference using
d=an+1−an

my answers were B,C and E

loser66 · Answer

Now, B first, tell me d =?