Question

Determine whether each sequence could be arithmetic. If so give the common difference.
17, 34, 51, 68,

Answer 1

Take each term and subtract off the previous term

34 - 17 = ???

51 - 34 = ???

68 - 51 = ???

Answer 2

if each difference is the same, then you have an arithmetic sequence and this difference is the common difference

Answer 3

34-17=17
51-34=17
68-51=17

Answer 4

so that shows you this sequence is arithmetic

Answer 5

so the common difference is 17

Answer 6

Thanks(:

Answer 7

np