B/W Confirming pages Beginning Algebra

© T

he M

cGra

w-H

ill C

ompa

nies

. All

Rig

hts

Res

erve

d.Th

e S

tree

ter/

Hut

chis

on S

erie

s in

Mat

hem

atic

sB

egin

ning

Alg

ebra

Factor each of the following polynomials.

4.1 1. 15c ! 35 2. 8q4 " 20q3

3. 6x2 " 12x ! 24 4. 7c3d 2 " 21cd ! 14cd 3

Factor each of the following trinomials.

4.2 5. b2 ! 2b " 15 6. x2 ! 10x ! 24

7. x2 " 14x ! 45 8. a2 ! 7ab ! 12b2

Factor each of the following trinomials completely.

4.3 9. 3y2 ! 5y " 12 10. 5w2 ! 23w ! 12

11. 6x2 ! 5xy " 21y2 12. 2x3 " 7x2 " 15x

Factor each of the following polynomials completely.

4.4–4.5 13. b2 " 49 14. 36p2 " q2

15. 9x2 " 12xy ! 4y2 16. 27xy2 " 48x3

Solve each of the following equations.

4.6 17. x2 " 11x ! 28 # 0 18. x2 " 5x # 14

19. 5x2 ! 7x " 6 # 0 20. 9p2 " 18p # 0

CHAPTER 44 pretest

This pretest provides a preview of the types of exercises you will encounter ineach section of this chapter. The answers for these exercises can be found in theback of the text. If you are working on your own, or ahead of the class, this pretestcan help you identify the sections in which you should focus more of your time.

374

Name

Section Date

Answers

1.

2.

3.

4.

5.

6.

7.

8.

9.

10.

11.

12.

13.

14.

15.

16.

17.

18.

19.

20.

hut57834_ch04_A.qxd 9/22/06 10:44 AM Page 374