math
posted by lola
12, −9, 6, −3, .. whats the arithmetic function?

Steve
T1 = 12
Tn = (1)^n * Tn1  3
Respond to this Question
Similar Questions

arithmetic
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ... 
arithmetic
500 words / 8 minutes whats the unit rate 
algebra 1
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. 12, –9, 6, –3, ... 
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(n1), which is the given … 
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.. 
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. 
Math
I need help with sequences 2,1,1/2,1/4,... Is this arithmetic, geometric,neither, or both (geometric? 
Foundation aLGEBRA
Tell whether the sequence is arithmetic. If the sequence is arithmetic, write a function rule to represent it. –3, –1, 1, 3,... 
Math
If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term? 
Math
 If the 4th term of an arithmetic sequence is 24 and the 12th term is 56, whats the first term?