Finish Rev. Problems and check answers below. Also, remember if you hand in completed Ch. 7 vocab. sheet tomorrow you will earn a 2% bonus on the test.

Ms. O

Review Answers (in the order they appear on your worksheet):
1. 25
2. (r^2)/(s^2)
3. 3/(2p^2g^3)
4. (y^4)/ (3x^2)
5. undefined because you can't divide by 0.
6. 9
7. 1/144

34. -6x^2+14x
35. 15x^3-3x^5+6x^2
36. 15x^2+11x-14
37. 2x^2-50
38. x^4-x^3+5x^2-9x-36
39. 8x^3-22x^2-17x+3

13. 16
14. xy^5
15. 4s^4t^6
16. m^16n^10
17. (16y^5)/(x^2)
18. 1
19. x^(3b)y^(6r)

21. x^3
22. 64/125
23. x^2/y
24. r^6 / s^4

26. -x^3-4x^2+3; -1
27. 10y^3-3y^2+15y-6; 10
28. quadratic trinomial
29. cubic polynomial