1. Section 3.4 – Zeros of a Polynomial

2. Find the zeros of 2, -3 (d.r), 1, -4

3. Find the zeros of Use your GC to find one of the zeros. Show all the work that leads to your answer. X 2 21 -13 6 2 4 5 10 -3 -6 0

4. Find the zeros of Use your GC to find one of the zeros. Show all the work that leads to your answer. X 4 10 -11 -20 1 4 4 16 5 20 0

5. Find the zeros of Use your GC to find one of the zeros. Show all the work that leads to your answer. X 2 1-2 -3 6 1 2 0 0 -6 0

6. Find the zeros of Use your GC to find one of the zeros. Show all the work that leads to your answer. X 2 15 -2 -24 1 2 7 14 12 24 0

7. No Calculator Given –2 is a zero of find ALL the zeros of the function. -2 1 -5 6 1 -2 -4 8 3 -6 0

8. No Calculator Given 5 is a zero of find ALL the zeros of the function. 5 1-5 -4 20 1 5 0 0 -4 -20 0 No constant, so 0 is a zero:

9. No Calculator Given -1 and 3 are zeros of find ALL the zeros of the function. 3 1 3 -7 -21 12 36 0 1-9 23 -3 -36 1 -10 10 33 -33 -36 36 0

10. No Calculator Given is a zero of find ALL the zeros of the function. 2 3 -6 -9 4 6 0 /2 2-9 13 -6 3 1 -3 2

11. No Calculator Given is a zero of find ALL the zeros of the function. 3 2 -6 -4 -9 -6 0 /3 3-8 -5 6 2 1 -2 -3

12. No Calculator Given 2 is a zero of find ALL the zeros of the function. 2 1-6 13 -10 1 2 -45 10 0 -8

13. No Calculator Given –3 is a zero of find ALL the zeros of the function. -3 1 3 1 3 1 0 0 1 0

14. No Calculator Find a polynomial function with real coefficients which has zeros of 1, -2, and 3.

15. No Calculator Find a polynomial function with real coefficients which has zeros of 0, 2, -2, and 5.

16. No Calculator Find a polynomial function with real coefficients which has zeros of 3/2, 2, and 1.

17. No Calculator Find a polynomial function with real coefficients which has zeros of 2 and i. If i is a root, then –i is a root as well

18. No Calculator Find a polynomial function with real coefficients which has zeros of 1 and 2 + i. If 2 + i is a root, then 2 – i is a root as well