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(52900)      (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(13214)      (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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