Posted by raven31792 on .
Find the common difference and a formula formula for the nth term of the arithmetic sequence; 6, 2, -2, -6, -10,...a sub n =
I think it is c but want to check.
Ao is 10, then each term subtracts 4n from it....n=1, ...
well if 6 is equal to the first term of the sequesnce the only one that would work would be d.
1st = 6 so 10-4(1)=6 where n is the number of the term
2nd = 2 so 10-4(2)=2
3rd term = -2 so 10-4(3)=-2
Hope that helped.