SOLUTION: Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 2, 4, 8, 16, –32, 64, …

Algebra ->  Sequences-and-series -> SOLUTION: Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 2, 4, 8, 16, –32, 64, …      Log On


   



Question 862285: Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence.
2, 4, 8, 16, –32, 64, …

Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
NOT geometric sequence. The NEGATIVE 32 breaks any initial ratio which occurs between the first four terms.