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12.2 Exercise 4

Avg difficulty 2.5

Determine if each sequence is arithmetic. If so, indicate the common difference.

ⓐ 5,9,13,17,21,25,…5 , 9 , 13 , 17 , 21 , 25 , \ldots

ⓑ 4,9,12,17,20,25,…4 , 9 , 12 , 17 , 20 , 25 , \ldots

ⓒ 10,3,−4,−11,−18,−25,…10 , 3 , −4 , −11 , −18 , −25 , \ldots

OpenStax Intermediate Algebra 2e, 12.2 Arithmetic Sequences, 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.