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Mathematics 7 Online
OpenStudy (anonymous):

Is the following sequence arithmetic? 11, 15, 19, 23,...

OpenStudy (anonymous):

-4

OpenStudy (anonymous):

yes, it's an arithmetic progression

OpenStudy (anonymous):

Agreed. The difference between each of these numbers is the same: 4. Because each number increases by 4, it's arithmetic. The terms in a geometric sequence, by contrast, will have a common ratio.

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