Answers to Lesson Exercises

Lesson #11

1. degree 3, 3 terms

2. Degree 3, 4 terms

3. Degree 8, 2 terms

4. Degree 12, 4 terms

5. 25

6. 5

7. 17

8. 7

9. 1

10. -13

11. 7x - 4

12. 4x2 + 2x - 5

13. -4a2 + 3a + 3

14. 2x3 - 4x2 + x - 1

15. 9b8 + 5b + 8

16. 2x2 - 7x + 5

17. 18x2 - 8x

18. 2w + 3

19. 3y5 - 9y4 + 24y3

20. -2q3 - 5q2

21. 2x3 + x2

22. 12x2 + 15x

23. -2x3 - 4x2 - 2x

24. 5a3 + 15a2

25. 5x3 + 15x2 + x + 3

26. 8x3 - 6x2 + 4x - 3

27. y2 - y - 6

28. 2z2 + 19z + 24

29. 5x2 - 11x + 2

30. 9x - 7

31. -2q2 - 3q + 13

32. 2t2 - 11t + 9

33. 5y3 - 5y + 11

34. w2 - 5w + 6

35. x3 + 2x2 + 3x + 2

36. x3 + x2 - 11x + 10

37. 2c3 - 5c2 - 8c + 5

38. x4 - x3 - x2 + 5x + 4

 

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Table of Contents

Appendix A. Answers to all lesson exercises.