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12.3 Exercise 4

Avg difficulty 2.5

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

ⓐ 4,8,16,32,64,128,…4 , 8 , 16 , 32 , 64 , 128 , \ldots

ⓑ −2,6,−12,36,−72,216,…−2 , 6 , −12 , 36 , −72 , 216 , \ldots

ⓒ 27,9,3,1,13,19,…27 , 9 , 3 , 1 , \frac{1}{3} , \frac{1}{9} , \ldots

OpenStax Intermediate Algebra 2e, 12.3 Geometric Sequences and Series, exercise 4

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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.