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Mathematics 20 Online
OpenStudy (anonymous):

Determine whether the following sequence is arithmetic, geometric, or neither. -6, -3, 0, 3, ...

OpenStudy (tkhunny):

Arithmetic: Common Diffrence Geometric: Common Ratio Neither: Anything Else

OpenStudy (anonymous):

huh?

OpenStudy (tkhunny):

Subtract the first from the second. What do you get for the difference? Subtract the second from the third. What do you get for the difference? Subtract the third from the fourth. What do you get for the difference? If all these are the same, that is a "Common Difference".

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