Question

ok, so i get what an arithmetic thingy is now. but how do you find one with fractions?!

State whether the following sequence is arithmetic; and if so, state the common difference.
1/9, 1/3, 5/9, 7/9, ...

2/9

-2/9

not arithmetic

1/3

Answer 1

1/3-1/9
2/9

Answer 2

5/9-1/3
2/9

Answer 3

what middle?

Answer 4

My bad

Answer 5

1/3 = 3/9
so 1/9, 3/9, 5/9, 7/9.. arithmatic series.. diff = 2/9

Answer 6

SINCE ITS AN AP ,the difference between every two terms of the sequence is 2/9

Answer 7

3/9 - 1/9 = 5/9 - 3/9 = 7/9 - 5/9 = 2/9

It is an Arithmetic Progression with Common Difference of 2/9..