# math

posted by .

12, −9, 6, −3, .. whats the arithmetic function?

• math -

T1 = 12
Tn = (-1)^n * |Tn-1| - 3

## Similar Questions

1. ### arithmetic

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...
2. ### arithmetic

500 words / 8 minutes whats the unit rate
3. ### algebra 1

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ...
4. ### Math

Tell whether the sequence is arithmetic. If it is, write a function rule to represent it. 0.2, -0.6, -1.4, -2.2 This is an arithmetic sequence, but I do not understand the function rule of A(n) = 0.2 - 0.8(n-1), which is the given …
5. ### Math

Tell whether each sequence is arithmetic. Justify your answer. If the sequence is arithmetic, write a function rule to represent it. 15. 128, 64, 32, 16... 16. 3, 3.25, 3.5, 3.75..
6. ### MATH

whats the answer to this? write an equation fr an arithmetic sequence with a 1st term of 8 and 4th term of -7. im stuck.
7. ### Math

I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,neither, or both (geometric?
8. ### Foundation aLGEBRA

Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. –3, –1, 1, 3,...
9. ### Math

If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?
10. ### Math

- If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?

More Similar Questions