The 50th term of an arithmetic sequence is 86, and the common difference is 2. Find the first...

Question:

The 50th term of an arithmetic sequence is 86, and the common difference is 2. Find the first three terms of the sequence.

Arithmetic Sequences:

An arithmetic sequence is a sequence of numbers where each number is simply the last number plus or minus a value, known as the common difference. To find any term in these sequences, we use the formula: {eq}N = a_1 + (n - 1)d \\ {/eq} Where N is the value of the term, a is the initial value, n is the number of the term, and d is the common difference.

Answer and Explanation: 1

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To find the first three terms, we first have to know what the first term was. To do so, we can calculate it from the formula and the given term. {eq}N...

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Arithmetic Sequence: Formula & Definition

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Chapter 26 / Lesson 3
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Discover the arithmetic sequence definition and how math uses it. Know its formula and how to solve problems relating to it through sample calculations.


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