Which of the following sequences of numbers are arithmetic sequences?

Check all that apply.

A. 3, 10, 17, 24, 31, ...
B. 54, 71, 88, 105, 122, ...
C. 45, 46, 47, 48, 49, ...
D. 1, -2, 3, -4, 5, ...
E. -3, -11, -17, -23, -33, ...

Question

Which of the following sequences of numbers are arithmetic sequences? 

Check all that apply.

 		A.	3, 10, 17, 24, 31, ...
 		B.	54, 71, 88, 105, 122, ...
 		C.	45, 46, 47, 48, 49, ...
 		D.	1, -2, 3, -4, 5, ...
 		E.	-3, -11, -17, -23, -33, ...

mathmale · Answer

I'd suggest you begin by reviewing the definition of arithmetic sequence, so that you know what to look for in the given sequences and judge which are and which are not arithmetic sequences.