2. Thurs 12/3 Lesson 5 – 5 Learning Objective: To write equations given roots Hw: Pg. 315#23 – 29 odd, 37 – 41 odd, 42, 45

3. Algebra II

4.  To write polynomial equations given its roots  To remember how to find rational roots

7. x x –1 2x -918x 9

9. -2x 4 x -2 = 25

10. -12x x 3 –4x 29 29x 87

12. 3x 9 x 3 3 = -2 -7x 49 -7x x -7 = 9

13. -14x 7 -98x 348x 406 58

15. x x –1 x 20 -20x -20 = -20

17. -2x 4 x -2 = -63

18. -16x 3x 4 –4x -59 -177x -236

19. q = 6 p = 15

20. 1 Nope! 1 is NOT a root! Use these #s for the next synthetic check!

22. 3 Sign Change 1 Sign Change + - 3 1 0 1 1 2 It could have 3 + roots, 1 - root, & 0 imaginary roots It could have 1 + roots, 1 - root, & 2 imaginary roots