) Find first term, common difference and algebraic form of the following arithmetic
sequences.
a) 4, 7, 10, ..........
b) 6, 10, 14, ......
c) 4, 9, 14, .......
d) 5, 11, 17, .
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The values of the truck in the example are said to form an arithmetic sequence because they change by a constant amount each year. Each term increases or decreases by the same constant value called the common difference of the sequence. For this sequence, the common difference is –3,400.
A sequence, {25000, 21600, 18200, 14800, 8000}, that shows the terms differ only by -3400.
The sequence below is another example of an arithmetic sequence. In this case, the constant difference is 3. You can choose any term of the sequence, and add 3 to find the subsequent term.
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