To the Student 

i  
Preface 

xv  
Acknowledgments 

xxiii  

Whole Numbers and Introduction to Algebra 


1  (102) 

Understanding Whole Numbers 


2  (8) 

Adding Whole Number Expressions 


10  (13) 

Subtracting Whole Number Expressions 


23  (10) 

Multiplying Whole Number Expressions 


33  (11) 

Dividing Whole Number Expressions 


44  (11) 

Exponents and the Order of Operations 


55  (8) 

How Am I Doing? Sections 1.11.6 


62  (1) 

More on Algebraic Expressions 


63  (5) 

Introduction to Solving Linear Equations 


68  (12) 

Solving Applied Problems Using Several Operations 


80  (23) 


91  (3) 

Chapter 1 Review Problems 


94  (7) 

How Am I Doing? Chapter 1 Test 


101  (2) 


103  (64) 


104  (9) 


113  (12) 


125  (14) 

How Am I Doing? Sections 2.12.3 


138  (1) 

Multiplying and Dividing Integers 


139  (9) 

The Order of Operations and Applications Involving Integers 


148  (5) 

Simplifying and Evaluating Algebraic Expressions 


153  (14) 


159  (1) 

Chapter 2 Review Problems 


160  (4) 

How Am I Doing? Chapter 2 Test 


164  (2) 

Cumulative Test for Chapters 12 


166  (1) 

Introduction to Equations and Algebraic Expressions 


167  (52) 

Solving Equations of the Form x + a = c and x  a = c 


168  (9) 

Solving Equations of the Form ax = c 


177  (9) 

How Am I Doing? Sections 3.13.2 


185  (1) 

Equations and Geometric Formulas 


186  (15) 

Performing Operations with Exponents 


201  (18) 


210  (2) 

Chapter 3 Review Problems 


212  (3) 

How Am I Doing? Chapter 3 Test 


215  (2) 

Cumulative Test for Chapters 13 


217  (2) 

Fractions, Ratio, and Proportion 


219  (64) 


220  (7) 


227  (8) 

Simplifying Fractional Expressions 


235  (10) 

How Am I Doing? Sections 4.14.3 


244  (1) 

Simplifying Fractional Expressions with Exponents 


245  (7) 


252  (9) 

Proportions and Applications 


261  (22) 


274  (2) 

Chapter 4 Review Problems 


276  (4) 

How Am I Doing? Chapter 4 Test 


280  (1) 

Cumulative Test for Chapters 14 


281  (2) 

Operations on Fractional Expressions 


283  (68) 

Multiplying and Dividing Fractional Expressions 


284  (11) 

Multiples and Least Common Multiples of Algebraic Expressions 


295  (7) 

Adding and Subtracting Fractional Expressions 


302  (11) 

Operations with Mixed Numbers 


313  (12) 

How Am I Doing? Sections 5.15.4 


324  (1) 

Order of Operations and Complex Fractions 


325  (6) 

Solving Applied Problems Involving Fractions 


331  (6) 

Solving Equations of the Form x/a = c 


337  (14) 


343  (2) 

Chapter 5 Review Problems 


345  (2) 

How Am I Doing? Chapter 5 Test 


347  (2) 

Cumulative Test for Chapters 15 


349  (2) 


351  (36) 

Adding and Subtracting Polynomials 


352  (5) 


357  (7) 

How Am I Doing? Sections 6.16.2 


363  (1) 

Translating from English to Algebra 


364  (9) 

Factoring Using the Greatest Common Factor 


373  (14) 


379  (1) 

Chapter 6 Review Problems 


380  (3) 

How Am I Doing? Chapter 6 Test 


383  (2) 

Cumulative Test for Chapters 16 


385  (2) 


387  (42) 

Solving Equations Using One Principle of Equality 


388  (8) 

Solving Equations Using More Than One Principle of Equality 


396  (6) 

Solving Equations with Parentheses 


402  (5) 

How Am I Doing? Sections 7.17.3 


406  (1) 

Solving Equations with Fractions 


407  (4) 

Using Equations to Solve Applied Problems 


411  (18) 


421  (3) 

Chapter 7 Review Problems 


424  (2) 

How Am I Doing? Chapter 7 Test 


426  (1) 

Cumulative Test for Chapters 17 


427  (2) 


429  (84) 

Understanding Decimal Fractions 


430  (8) 

Adding and Subtracting Decimal Expressions 


438  (6) 

Multiplying and Dividing Decimal Expressions 


444  (10) 

Solving Equations and Applied Problems Involving Decimals 


454  (10) 

How Am I Doing? Sections 8.18.4 


463  (1) 


464  (8) 


472  (8) 

Solving Percent Problems Using Equations 


480  (8) 

Solving Percent Problems Using Proportions 


488  (7) 

Solving Applied Problems Involving Percents 


495  (18) 


503  (3) 

Chapter 8 Review Problems 


506  (4) 

How Am I Doing? Chapter 8 Test 


510  (2) 

Cumulative Test for Chapters 18 


512  (1) 


513  (56) 

Interpreting and Constructing Graphs 


514  (11) 


525  (8) 

How Am I Doing? Sections 9.19.2 


532  (1) 

The Rectangular Coordinate System 


533  (10) 

Linear Equations in Two Variables 


543  (26) 


556  (3) 

Chapter 9 Review Problems 


559  (5) 

How Am I Doing? Chapter 9 Test 


564  (3) 

Cumulative Test for Chapters 19 


567  (2) 

Measurement and Geometric Figures 


569  (67) 

Using Unit Fractions with U.S. and Metric Units 


570  (9) 

Converting Between the U.S. and Metric Systems 


579  (6) 


585  (10) 

How Am I Doing? Sections 10.110.3 


594  (1) 

Square Roots and the Pythagorean Theorem 


595  (9) 


604  (8) 


612  (5) 

Similar Geometric Figures 


617  (19) 


624  (4) 

Chapter 10 Review Problems 


628  (4) 

How Am I Doing? Chapter 10 Test 


632  (2) 

Cumulative Test for Chapters 110 


634  (2) 
Practice Final Examination 

636  
Appendix A: Consumer Finance Applications 

1  (19) 
Appendix B: Introduction to U.S. and Metric Units of Measurement 

20  (6) 
Appendix C: Scientific Calculators 

26  (8) 
Appendix D: Additional Arithmetic Practice 

34  (2) 
Appendix E: Congruent Triangles 

36  
Solutions to Practice Problems 

1  (1) 
Answers to Selected Exercises 

1  (1) 
Applications Index 

1  (4) 
Subject Index 

5  
Photo Credits 

1  