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12.3 Exercise 6

Avg difficulty 2.5

Determine if each sequence is geometric. If so indicate the common ratio.

ⓐ −150,−30,−15,−5,−52,0,…−150 , −30 , −15 , −5 , - \frac{5}{2} , 0 , \ldots

ⓑ 5,10,20,40,80,160,…5 , 10 , 20 , 40 , 80 , 160 , \ldots

ⓒ 8,4,2,1,12,14,…8 , 4 , 2 , 1 , \frac{1}{2} , \frac{1}{4} , \ldots

OpenStax Intermediate Algebra 2e, 12.3 Geometric Sequences and Series, exercise 6

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Adapted from Intermediate Algebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Intermediate Algebra 2e. Imported at revision 77a933c.