# Fundamental Theorem of Algebra

## Find all zeroes of a polynomial, including complex solutions

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.

## Fundamental Theorem of Algebra

Finding complex roots of polynomials and applications of the Fundamental Theorem of Algebra.
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## Finding Imaginary Solutions

This lesson shows you how to find any solution, including imaginary ones, to a polynomial.
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## Fundamental Theorem of Algebra

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• PLIX

## Imaginary Zeros

Fundamental Theorem of Algebra Interactive
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• Video

## Find the Zeros of a Polynomial Function with Imaginary Solutions

Demonstrates how to find imaginary solutions of a function.
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## The Fundamental Theorem of Algebra

Reviews problems involving the Fundamental Theorem of Algebra, Complex Conjugates Theorem, Irrational Conjugates Theorem, and Descartes Rule of Signs.
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• Video

## Fundamental Theorem of Algebra Polynomial and Rational Functions

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• Video