OpenStax, Intermediate Algebra 2e §12.2 Arithmetic Sequences · Try It 1 · Algebra · Binomial theorem

Arithmetic Sequences · Try It 1

Determine if each sequence is arithmetic. If so, indicate the common difference.
ⓐ $9, 20, 31, 42, 53, 64, \dots$ ⓑ $12, 6, 0, - 6, - 12, - 18, \dots$ ⓒ $7, 1, 10, 4, 13, 7, \dots$

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OpenStax, Intermediate Algebra 2e · §12.2 Arithmetic Sequences · Try It 1

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