Directions: Given the following complex zeros of a polynomial function, determine the conjugate that must also be a zero for the given polynomial. 11. x = 5+i 9. x =3 - 2i 10. * = -4+61 12. x = -1-1 13. x = 41 14. x = -31 Directions: A polynomial has the following zeros. Determine the least possible degree of the polynomial. 15. x = 3 (multiplicity 2). x = 3i, and x = 4 -i 16. x =0, x = -1 (multiplicity 3). x = 5 (multiplicity 2), and x = -1 +5 Directions: Factor the following expressions, if possible. If the expression cannot be factored, write "Not Factorable". 17. x2 - 25 18. x3 + 5x3 + 6x 19. (x2 - 49)(x2 + 5x - 14) 20. (x- + 4)(x-+9) 21. 2x- - x -6 22. (2x2 - 7x - 4)(x] - x- 12)