SOLUTION: Determine whether or not the sequence is geometric. If it is, find the common ratio r. (If an answer does not exist, enter DNE.)
4, −6, 9, − 27/2, . . .
r=
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-> SOLUTION: Determine whether or not the sequence is geometric. If it is, find the common ratio r. (If an answer does not exist, enter DNE.)
4, −6, 9, − 27/2, . . .
r=
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Question 1178482: Determine whether or not the sequence is geometric. If it is, find the common ratio r. (If an answer does not exist, enter DNE.)
4, −6, 9, − 27/2, . . .
r= Answer by mananth(16946) (Show Source):
You can put this solution on YOUR website! 4, −6, 9, − 27/2, . . .
a2/a1 = -6/4 = -3/2
a3/a2= 9/-6=-3/2
a4/a3 = (-27/2)/9= -3/2
r ==3/2 it is a geometric progression