Page 733 - Basic College Mathematics with Early Integers

FOR EXTRA HELP
B.1 Exercise Set

Objective Add the polynomials. See Examples 1 through 4.

1. 12x + 32 + 1-7x - 272 2. 19y - 162 + 1-43y + 162

2 2 2 2
3. 1-4z - 6z + 12 + 1-5z + 4z + 52 4. 117a - 6a + 32 + 116a - 6a - 102

2 2 2
5. 112y - 202 + 19y + 13y - 202 6. 15x - 62 + 1-3x + 17x - 22

4 4 2 3 3
7. 14.3a + 52 + 1-8.6a - 2a + 42 8. 1-12.7z - 14z2 + 1-8.9z + 12z + 22

Objective Subtract the polynomials. See Examples 5 through 9.

9. 15a - 62 - 1a + 22 10. 112b + 72 - 1-b - 52

2 2 2 2
11. 13x - 2x + 12 - 15x - 6x2 12. 1-9z + 6z + 22 - 13z + 12

2 3 2 3 3 2
13. 110y - 72 - 120y - 2y - 32 14. 111x + 15x - 92 - 1-x + 10x - 92

15. Subtract 13x - 42 from 12x + 122. 16. Subtract 16a + 12 from 1-7a + 72.

2 2 2 2
17. Subtract 15y + 4y - 62 from 113y - 6y - 142. 18. Subtract 116x - x + 12 from 112x - 3x - 122.

Objectives Mixed Practice Perform each indicated operation. See Examples 1 through 9.

19. 125x - 52 + 1-20x - 72 20. 114x + 22 + 1-7x - 12

21. 14y + 42 - 13y + 82 22. 16z - 32 - 18z + 52

2 2 2
23. 19x - 62 + 1-5x + x - 102 24. 112a - 4a - 42 + 1-5a - 52

25. 110x + 4.52 + 1-x - 8.62 26. 120x - 0.82 + 1x + 1.22

27. 112a - 52 - 1-3a + 22 28. 18t + 92 - 1-2t + 62

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