Question

Which of the following sequences of numbers are arithmetic sequences?

Check all that apply.

A. -4, -7, -10, -13, -16, ...
B. 8, 10.5, 13, 15.5, 18, ...
C. 3, -3, 3, -3, 3, ...
D. 1, 5, 10, 15, 20, ...
E. 1000, 1001, 1002, 1003, 1004, ...

Answer 1

an arithmetic sequence increases by a constant amount
like 2, 5 , 8 , 11.....
-this one has a a common difference of 3

Answer 2

So it would be a b d e

Answer 3

- note the common difference may also be negative

for example -9,-11,-12,-13 here common difference is -1

Answer 4

No there are only 2 correct choices

Answer 5

D E

Answer 6

E is correct because c d = 1

re check d - Note that the difference must be CONSTANT

Answer 7

5 - 1 = 4
10 - 5 = 5

- the difference is not constant.

Answer 8

so nits not d