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Question

Determine whether the given sequence could be geometric, arithmetic, or neither. If possible, identify either the common ratio or the common difference.

4, 2, 1, 1/2, ....

 

 

A.) geometric; r = 2

B.) geometric; r = 1/2

C.) arithmetic; d = 1/2

D.) Neither

 

Answer 1

geometric with common ratio=1/2 - each next term of the sequence is a multiple of the previous term by 1/2