SOLUTION: 1) What is the next term in this geometric sequence? 104, -52, 26, -13, ... 2)If the second term in a geometric sequence is -8 and the common ratio is 2, what is the value of t

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Question 1179179: 1) What is the next term in this geometric sequence?
104, -52, 26, -13, ...
2)If the second term in a geometric sequence is -8 and the common ratio is 2, what is the value of the third term?

3)Determine whether the following sequence is arithmetic, geometric, or neither.
1 1/3,2, 2 2/3, 3 1/3

4)Determine whether the following sequence is arithmetic, geometric, or neither.
1, 4, 9, 16, ..

5)Determine whether the following sequence is arithmetic, geometric, or neither.
-7, -14, -28, -56, ...


Found 2 solutions by ikleyn, greenestamps:
Answer by ikleyn(52786)   (Show Source): You can put this solution on YOUR website!
.

(1)  The common difference is  .  

     The next term is  .               ANSWER



(2)  The third term is  (-8)*2 = -16.     ANSWER



(3)  Neither.                             ANSWER



(4)  Neither.                             ANSWER



(5)  Geometric with the common ratio of 2.    ANSWER


Solved.



Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


3) Arithmetic, with common difference 2/3

I think tutor @ikleyn misread the given information, which is presented in a not-very-clear way....
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