SOLUTION: Find the common difference of the arithmetic sequence. 9, 13, 17, 21, . . .

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Question 1001540: Find the common difference of the arithmetic sequence.
9, 13, 17, 21, . . .
Answer by MathLover1(20850) About Me  (Show Source):
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the common difference of the arithmetic sequence
9, 13, 17, 21, is d=4
as you can see
first term is 9
second term is 13 which is 9%2B4
third term is 17 which is 13%2B4
fourth term is 21 which is 17%2B4