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Mathematics 20 Online
OpenStudy (anonymous):

Is this sequence arithmetic, geometric, or neither? 3, 6, 9, 12, 15, …

OpenStudy (tkhunny):

What are successive differences? All the same? Arithmetic. What are successive ratios? All the same? Geometric. Go!

OpenStudy (solomonzelman):

Arithmetic.

OpenStudy (solomonzelman):

this ik for sure.

OpenStudy (solomonzelman):

Ik something at least. TY!

OpenStudy (anonymous):

6-3=3 9-6=3 the common differences are same means it's arithmatic :)

OpenStudy (tkhunny):

2 is hardly an adequate example. If the differences are not the same, they are not "common".

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