Writing a Polynomial Given Zeros

Learn how to write the polynomial equation given the roots. We discuss how the conjugates can also be roots and a simpler way to multiply the factors to get the final polynomial equation in this free math tutorial by Mario's Math Tutoring.

0:17 Example 1 Write Polynomial Given Roots 2 and 4 - square root 2
0:39 Writing the Conjugate Pair if the Coefficients of the Polynomial are all Rational
0:57 How to Write the Factors
1:14 Tip for Rewriting and Multiplying the Factors
3:23 Example 2 Write Polynomial with Roots 2, and 4 - i with Real Coefficients
3:30 Writing the Complex Conjugate Root
3:37 Writing the Factors
3:48 Tip For Rewriting the Factors and Multiplying

Related Videos:

My Video Playlist on Graphing Polynomials

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[enzoyasuo]

Thanks for the class! Greetings from brazil

[acatalepsia]

mario carrying my math grade as always 🙏i've had a 99 all semester bc of u :3 tysm

[kamkamyoung]

what if the i had a 2 in front of it? I'm still confused