SOLUTION: -3,-24,-81,-192,_,_,_ What are the next three numbers in the sequence and how did you get them?

Algebra ->  Sequences-and-series -> SOLUTION: -3,-24,-81,-192,_,_,_ What are the next three numbers in the sequence and how did you get them?       Log On


   

Question 153978: -3,-24,-81,-192,_,_,_
What are the next three numbers in the sequence and how did you get them?
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
-3=-3%2A1%5E3
-24=-3%2A2%5E3
-81=-3%2A3%5E3
-192=-3%2A4%5E3
So the pattern is:
the n-th term = -3%5En%5E3
So
The 5-th term is -3%2A5%5E3=-375
The 6-th term is -3%2A6%5E3=-648
The fifth term is -3%2A7%5E3=-1029