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# Explicit Formulas

## Identify and apply a general rule for terms in a sequence

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Video

## Arithmetic Sequences- Explicit Formula

by Jeffrey Wang //basic
In this video, the formula to find the 'n-th' term of an arithmetic sequence is derived by considering an example. The formula is then used the to do a few different problems.
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• Video

## Geometric Sequences-Explicit Formula

by Jeffrey Wang //basic
In this video, the formula to find the 'n-th' term of a geometric sequence is derived by considering an example. The formula is then used to find another term of the sequence.
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• Study Guide

## Recursive and Explicit Formulas

by Rayna Schlossberg //basic
Recursive and Explicit formulas for identifying terms of a sequence.
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• Flashcards

## Using and Writing nth Term Rules for Sequences

by Kyle Bardman //basic
These flashcards will help you better understand Algebra II with Trigonometry Concepts.
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