Finding the formula for a sequence of terms

👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence.

To write the explicit formula of a sequence of numbers, we first determine whether each term of the sequence is obtained by adding/subtracting a common value to the preceding term or whether each term of the sequence is obtained by multiplying a pre-determined value, called the common ratio, to the preceding term or neither.

For the first case, the sequence is an arithmetic sequence and we can write the explicit formula by plugging the common difference into the arithmetic sequence explicit formula. For the second case, the sequence is a geometric sequence and we can write the explicit formula by plugging the common ratio into the geometric sequence explicit formula. For the third case, we can examine the pattern and by some kind of trial and error, we can be able to write the explicit formula.

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https://www.youtube.com/playlist?list=PL0G-Nd0V5ZMqN_DryIGVJRY3RPNXYFH1M
✅Sequences | Learn About
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✅Determine The First Five Terms of The Arithmetic Sequence
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✅How to Write The Formula for a Arithmetic Sequence
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✅Find the First Five Terms of a Geometric Sequence
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✅How to Write The Formula for a Geometric Sequence
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✅Find the nth Term of a Geometric Sequence
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✅How to Determine Arithmetic or Geometric Sequence
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✅Find the First Five Terms of a Sequence
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✅How to Write The Formula for a Sequence
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✅Find the nth Term of a Sequence
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Видео Finding the formula for a sequence of terms канала Brian McLogan