SOLUTION: The fifth term of an arithmetic sequence is 41 and the twelfth term is 20. Determine the 100th term of the sequence

Algebra ->  Test -> SOLUTION: The fifth term of an arithmetic sequence is 41 and the twelfth term is 20. Determine the 100th term of the sequence      Log On


   



Question 1154642: The fifth term of an arithmetic sequence is 41 and the twelfth term is 20. Determine the 100th term of the sequence
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Seven differences to go from 41 to 20.
20-41=-21

-

-21%2F7=-3
-

If term #1 is A%5B1%5D, then A%5B1%5D%2B%28-3%29%285-1%29=41.
Find this term #1, A%5B1%5D.
Use that to answer your exercise's question.