Question

Find the missing terms in arithmetic sequence -1__,__,__,31,39??​

Answer 1

-1,7,15,23,31,39

Explanation:

39-31=8

So keep adding 8 to the first number, in your case it is -1 so -1+8= 7. Then add 8 to the 7 to get 15, after that add 8 to the 15 to get 23. To make sure that your answer is right add 8 to 23, which will give you 31.