Question 849059:  Find the common difference of the sequence 2, 7, 12, 17, 22, … What is the common difference ? 
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! Find the common difference of the sequence 2, 7, 12, 17, 22, … What is the common difference ? 
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In an arithmetic sequence the common difference 
is the difference between any element and the element 
immediately preceeding it. 
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Example using your sequence:  
common difference:: 12-7 = 5 
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Cheers, 
Stan H. 
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