Algebra 1: Concepts and Skills

Algebra 1: Concepts and Skills textbook answersISBN: 9780547008332
Author: Holt McDougal
Published: 2010


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Chapters: 1 2 3 4 5 6 7 8 9 10 11 12


Chapter 1

Connections To Algebra

1.1 Variables in Algebra Checkpoint p.3
Exercises p.6
1.2 Exponents and Powers Checkpoint p.9
Exercises p.12
1.3 Order of Operations Checkpoint p.15
Exercises p.18
Quiz 1 p.21
1.4 Equations and Inequalities Checkpoint p.25
Exercises p.27
1.5 Translating Words into Mathematical Symbols Checkpoint p.30
Exercises p.33
Quiz 2 p.35
1.6 A Problem Solving Plan Using Models Checkpoint p.37
Exercises p.39
1.7 Tables and Graphs Checkpoint p.42
Exercises p.45
1.8 An Introduction to Functions Checkpoint p.50
Exercises p.51
Quiz 3 p.54
Chapter Summary and Review p.55
Chapter Test p.59
Chapter Standardized Test p.60
Maintaining Skills p.61

Chapter 2

Properties Of Real Numbers

2.1 The Real Number Line Checkpoint p.66
Exercises p.68
2.2 Absolute Value Checkpoint p.72
Exercises p.74
2.3 Adding Real Numbers Checkpoint p.78
Exercises p.81
Quiz 1 p.83
2.4 Subtracting Real Numbers Checkpoint p.87
Exercises p.89
2.5 Multiplying Real Numbers Checkpoint p.93
Exercises p.96
2.6 The Distributive Property Checkpoint p.100
Exercises p.103
Quiz 2 p.106
2.7 Combining Like Terms Checkpoint p.107
Exercises p.110
2.8 Dividing Real Numbers Checkpoint p.114
Exercises p.116
Quiz 3 p.118
Chapter Summary and Review p.121
Chapter Test p.125
Chapter Standardized Test p.126
Maintaining Skills p.127

Chapter 3

Solving Linear Equations

3.1 Solving Equations Using Addition and Subtraction Checkpoint p.133
Exercises p.135
3.2 Solving Equations Using Multiplication and Division Checkpoint p.139
Exercises p.141
3.3 Solving Multi-Step Equations Checkpoint p.144
Exercises p.147
Quiz 1 p.149
3.4 Solving Equations with Variables on Both Sides Checkpoint p.152
Exercises p.154
3.5 More on Linear Equations Checkpoint p.158
Exercises p.160
3.6 Solving Decimal Equations Checkpoint p.163
Exercises p.166
Quiz 2 p.169
3.7 Formulas Checkpoint p.172
Exercises p.174
3.8 Ratios and Rates Checkpoint p.177
Exercises p.180
3.9 Percents Checkpoint p.184
Exercises p.186
Quiz 3 p.188
Chapter Summary and Review p.189
Chapter Test p.193
Chapter Standardized Test p.194
Cumulative Practice: Chapters 1-3 p.196

Chapter 4

Graphing Linear Equations And Functions

4.1 The Coordinate Plane Checkpoint p.203
Exercises p.206
4.2 Graphing Linear Equations Checkpoint p.210
Exercises p.213
4.3 Graphing Horizontal and Vertical Lines Checkpoint p.216
Exercises p.219
Quiz 1 p.221
4.4 Graphing Lines Using Intercepts Checkpoint p.223
4.5 The Slope of a Line Checkpoint p.230
Exercises p.233
4.6 Direct Variation Checkpoint p.236
Exercises p.239
Quiz 2 p.241
4.7 Graphing Lines Using Slope-Intercept Form Checkpoint p.244
Exercises p.246
4.8 Functions and Relations Checkpoint p.253
Exercises p.255
Quiz 3 p.258
Chapter Summary and Review p.259
Chapter Test p.263
Chapter Standardized Test p.264
Maintaining Skills p.265

Chapter 5

Writing Linear Equations

5.1 Slope-Intercept Form Checkpoint p.269
Exercises p.272
5.2 Point-Slope Form Checkpoint p.278
Exercises p.281
Quiz 1 p.284
5.3 Writing Linear Equations Given Two Points Checkpoint p.285
Exercises p.288
5.4 Standard Form Checkpoint p.291
Exercises p.294
Quiz 2 p.297
5.5 Modeling with Linear Equations Checkpoint p.298
Exercises p.301
5.6 Perpendicular Lines Checkpoint p.306
Exercises p.309
Chapter Summary and Review p.313
Chapter Test p.317
Chapter Standardized Test p.318
Maintaining Skills p.319

Chapter 6

Solving And Graphing Linear Inequalities

6.3 Solving Multi-Step Equations Quiz 1 p.314
6.1 Solving Inequalities Using Addition or Subtraction Checkpoint p.323
Exercises p.326
6.2 Solving Inequalities Using Multiplication or Division Checkpoint p.331
Exercises p.333
6.3 Solving Multi-Step Equations Checkpoint p.336
Exercises p.339
6.4 Solving Compound Inequalities involving “And” Checkpoint p.342
Exercises p.345
6.5 Solving Compound Inequalities Involving “Or” Checkpoint p.348
Exercises p.351
6.6 Solving Absolute-Value Equations Checkpoint p.355
Exercises p.358
Quiz 2 p.360
6.7 Solving Absolute-Value Inequalities Checkpoint p.362
Exercises p.364
6.8 Graphing Linear Inequalities in Two Variables Checkpoint p.368
Exercises p.370
Quiz 3 p.373
Chapter Summary and Review p.375
Chapter Test p.379
Chapter Standardized Test p.380
Maintaining Skills p.381
Cumulative Practice: Chapters 1-6 p.382

Chapter 7

Systems Of Linear Equations And Inequalities

7.1 Graphing Linear Systems Checkpoint p.390
Exercises p.392
7.2 Solving Linear Systems by Substitution Checkpoint p.397
Exercises p.399
7.3 Solving Linear Systems by Linear Combinations Checkpoint p.402
Exercises p.405
Quiz 1 p.408
7.4 Linear Systems and Problem Solving Checkpoint p.410
Exercises p.412
7.5 Special Types of Linear Systems Checkpoint p.417
Exercises p.420
7.6 Systems of Linear Inequalities Checkpoint p.425
Exercises p.427
Quiz 2 p.430
Chapter Summary and Review p.431
Chapter Test p.435
Chapter Standardized Test p.436
Maintaining Skills p.437

Chapter 8

Exponents And Exponential Functions

8.1 Multiplication Properties of Exponents Checkpoint p.443
Exercises p.446
8.2 Zero and Negative Exponents Checkpoint p.450
Exercises p.452
8.3 Graphs of Exponential Functions Checkpoint p.455
Exercises p.458
Quiz 1 p.460
8.4 Division Properties of Exponents Checkpoint p.462
Exercises p.465
8.5 Scientific Notation Checkpoint p.469
Exercises p.472
Quiz 2 p.474
8.6 Exponential Growth Functions Checkpoint p.476
Exercises p.479
8.7 Exponential Decay Functions Checkpoint p.482
Exercises p.485
Quiz 3 p.488
Chapter Summary and Review p.489
Chapter Test p.493
Chapter Standardized Test p.494
Maintaining Skills p.495

Chapter 9

Quadratic Equations And Functions

9.1 Square Roots Checkpoint p.499
Exercises p.502
9.2 Solving Quadratic Equations by Finding Square Roots Checkpoint p.505
Exercises p.508
9.3 Simplifying Radicals Checkpoint p.511
Exercises p.514
Quiz 1 p.517
Quiz 1 p.517
Checkpoint p.520
Exercises p.523
9.5 Solving Quadratic Equations by Graphing Checkpoint p.526
Exercises p.529
9.6 Solving Quadratic Equations by the Quadratic Formula Checkpoint p.533
Checkpoint p.533
Exercises p.536
Quiz 2 p.539
9.7 Using the Discriminant Checkpoint p.541
Exercises p.543
9.8 Graphing Quadratic Inequalities Checkpoint p.547
Exercises p.550
Quiz 3 p.552
Chapter Summary and Review p.553
Chapter Test p.557
Chapter Standardized Test p.558
Maintaining Skills p.559
Cumulative Practice: Chapters 1-9 p.560

Chapter 10

Polynomials And Factoring

10.1 Adding and Subtracting Polynomials Checkpoint p.568
Exercises p.571
10.2 Multiplying Polynomials Checkpoint p.575
Exercises p.578
10.3 Special Products of Polynomials Checkpoint p.582
Exercises p.585
Quiz 1 p.587
10.4 Solving Quadratic Equations in Factored Form Checkpoint p.588
Exercises p.591
10.5 Factoring x^2 + bx + c Checkpoint p.595
Exercises p.599
10.6 Factoring ax^2 + bx +c Checkpoint p.603
Exercises p.606
Quiz 2 p.608
10.7 Factoring Special Products Checkpoint p.610
Exercises p.613
10.8 Factoring Cubic Polynomials Checkpoint p.616
Exercises p.620
Quiz 3 p.622
Chapter Summary and Review p.623
Chapter Test p.627
Chapter Standardized Test p.628
Maintaining Skills p.629

Chapter 11

Rational Expressions And Equations

11.1 Proportions Checkpoint p.634
Exercises p.636
11.2 Direct and Inverse Variation Checkpoint p.640
Exercises p.642
11.3 Simplifying Rational Expressions Checkpoint p.647
Exercises p.649
Quiz 1 p.651
11.4 Multiplying and Dividing Rational Expressions Checkpoint p.653
Exercises p.655
11.5 Adding and Subtracting with Like Denominators Checkpoint p.659
Exercises p.660
11.6 Adding and Subtracting with Unlike Denominators Checkpoint p.663
Exercises p.667
11.7 Rational Equations Checkpoint p.670
Exercises p.674
Quiz 2 p.677
Chapter Summary and Review p.681
Chapter Test p.685
Chapter Standardized Test p.686
Maintaining Skills p.687

Chapter 12

Radicals And More Connections To Geometry

12.1 Functions Involving Square Roots Checkpoint p.692
Exercises p.695
12.2 Operations with Radical Expressions Checkpoint p.698
Exercises p.701
12.3 Solving Radical Equations Checkpoint p.705
Exercises p.707
Quiz 1 p.709
12.4 Rational Exponents Checkpoint p.711
Exercises p.713
12.5 Completing the Square Checkpoint p.716
Exercises p.719
12.6 The Pythagorean Theorem and Its Converse Checkpoint p.725
Exercises p.727
Quiz 2 p.729
12.7 The Distance Formula Checkpoint p.731
Exercises p.733
12.8 The Midpoint Formula Checkpoint p.736
Exercises p.738
12.9 Logical Reasoning: Proof Checkpoint p.741
Exercises p.743
Quiz 3 p.746
Chapter Summary and Review p.747
Chapter Test p.751
Chapter Standardized Test p.752
Cumulative Practice: Chapters 1-12 p.754

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