Pre-Calculus/Trig 3



Pre-Calculus/Trig 3 Name __________________________________

Zeros of Polynomials Worksheet

Use the Rational Root Theorem and Descartes Rule of Signs to determine the zeros of the polynomial. Show all work on a separate piece of paper.

1. [pic]

2. [pic]

3. [pic]

4. [pic]

5. [pic]

6. [pic]

Given a root of the equation, find any remaining roots.

7.[pic] ; x = 3

8. [pic] ; x = [pic]

Write the equation of least degree given the roots.

9. x = 3, -1, and 5

10. x = -3 and x =[pic]

Pre-Calculus/Trig 3 Name __________________________________

Zeros of Polynomials Worksheet

Use the Rational Root Theorem and Descartes Rule of Signs to determine the zeros of the polynomial. Show all work on a separate piece of paper.

1. [pic]

2. [pic]

3. [pic]

4. [pic]

5. [pic]

6. [pic]

Given a root of the equation, find any remaining roots.

7.[pic] ; x = 3

8. [pic] ; x = [pic]

Write the equation of least degree given the roots.

9. x = 3, -1, and 5

10. x = -3 and x =[pic]

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