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In the following sequence, the first term is 4 and each term after the first is 7 more than the...

Question:

In the following sequence, the first term is 4 and each term after the first is 7 more than the previous term. What is the 12th term of the sequence?

4, 11, 18, ...

Arithmetic Progression:

If in a sequence the difference of any two consecutive terms remains constant then such a sequence is called the arithmetic sequence or progression. Any term of the sequence can be found by using its general term.

Answer and Explanation: 1

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The given arithmetic sequence is:

{eq}4, \ 11, \ 18, ... {/eq}

In the above sequence, we have:

{eq}\begin{align*} \text{First term} & = a =...

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How and Why to Use the General Term of an Arithmetic Sequence

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Chapter 21 / Lesson 5
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Learn the definition of arithmetic sequence and general term of a sequence. Learn the formula for general term of a sequence and see examples.


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