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Theorems About Roots of Polynomial Equations. Find all zeros: f(x)= x +x –x +2 32 Synthetic Division one zero…need 2 more. -2 1 1 -1 2 use (x – k), where.

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Presentation on theme: "Theorems About Roots of Polynomial Equations. Find all zeros: f(x)= x +x –x +2 32 Synthetic Division one zero…need 2 more. -2 1 1 -1 2 use (x – k), where."— Presentation transcript:

1 Theorems About Roots of Polynomial Equations

2 Find all zeros: f(x)= x +x –x +2 32 Synthetic Division one zero…need 2 more. -2 1 1 -1 2 use (x – k), where k= -2

3 ? Factors of …? ( )( )( ) still have -2, and  1x -1x + 1 Quadratic Formula x, what formula can you use? 2 2 1 ±i √3 2

4 Find the possible roots of x 3 + x 2 – 3x - 3 ? Crosses X axis ?

5 Find the POSSIBLE zeros of 5x 3 -24x 2 +41x-20=0

6 Find the zeros of 2x 3 – x 2 + 2x - 1

7 Find the zero of x 3 – 2x 2 – 5x + 10

8 Find the zeros of 3x 3 + x 2 – x + 1

9 Application Lab


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