Wednesday
April 16, 2014

Homework Help: algebra

Posted by Cassie on Tuesday, March 19, 2013 at 10:41am.

Determine whether each sequence is arithmetic or geometric. Find the next three terms.

4, 8, 16, 32, . . .

A.arithmetic, 64, 128, 256
B.geometric, 64, 128, 256
C.geometric, 48, 64, 80
.DThe sequence is neither geometric nor arithmetic.
I think it's B...?

81, 27, 9, 3, . . .

A.arithmetic, 0, 3, 6
B.geometic, 0, 3, 6
C.geometric, 1,1/3 , 1/9
D.The sequence is neither geometric nor arithmetic.
I know they are dividing by 3...but I am not sure if this is A or D...?

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