Mathematics Course 3

Mathematics Course 3 textbook answersISBN: 9780030994302
Author: Holt McDougal
Published: 2010

Chapters: 1 2 3 4 5 6 7 8 9 10 11 12 13 14

Chapter 1

Principles Of Algebra

1-1 Evaluating Algebraic Expressions Exercises p.8
1-2 Writing Algebraic Expressions Exercises p.12
1-3 Properties of Numbers Exercises p.16
1-4 Integers and Absolute Value Exercises p.20
1-5 Adding Integers Exercises p.24
1-6 Subtracting Integers Exercises p.28
1-7 Multiplying and Dividing Integers Exercises p.32
Ready To Go On? p.34
1-8 Solving Equations by Adding or Subtracting Exercises p.41
1-9 Solving Equations by Multiplying or Dividing Exercises p.45
1-10 Introduction to Inequalities Exercises p.50
Ready To Go On? p.52
Study Guide: Review p.56
Chapter Test p.59
Standardized Test Prep p.62
Extra Practice p.EP2

Chapter 2

Rational Numbers

2-1 Rational Numbers Exercises p.70
2-2 Comparing and Ordering Rational Numbers Exercises p.74
2-3 Adding and Subtracting Rational Numbers Exercises p.78
2-4 Multuplying Rational Numbers Exercises p.82
2-5 Dividing Rational Numbers Exercises p.87
2-6 Adding and Subtracting with Unlike Denominators Exercises p.91
Ready To Go On? p.94
2-7 Solving Equations with Rational Numbers Exercises p.98
2-8 Solving Two-Step Equations Exercises p.104
Ready To Go On? p.106
Study Guide: Review p.110
Chapter Test p.113
Standardized Test Prep p.114
Extra Practice p.EP4

Chapter 3

Graphs And Function

Ready To Go On? p.117
3-1 Ordered Pairs Exercises p.122
3-2 Graphing on a Coordinate Plane Exercises p.126
3-3 Interpreting Graphs Exercises p.131
Ready To Go On? p.134
3-4 Functions Exercises p.138
3-5 Equations, Tables, and Graphs Exercises p.142
Ready To Go On? p.146
Study Guide: Review p.150
Chapter Test p.153
Standardized Test Prep p.156
Extra Practice p.EP6

Chapter 4

Exponents And Roots

Are You Ready? p.159
4-1 Exponents Exercises p.164
4-2 Integer Exponents Exercises p.168
4-3 Properties of Exponents Exercises p.172
4-4 Scientific Notation Exercises p.176
Ready To Go On? p.180
4-5 Squares and Square Roots Exercises p.184
4-6 Estimting Square Roots Exercises p.188
4-7 The Real Numbers Exercises p.197
4-8 The Pythagorean Theorem Exercises p.202
4-9 Applying the Pythagorean Theorem and Its Converse Exercises p.206
Ready To Go On? p.208
Study Guide: Review p.212
Chapter Test p.215
Standardized Test Prep p.216
Extra Practice p.EP8

Chapter 5

Ratios, Proportions, And Similarity

Are You Ready? p.219
5-1 Ratios and Proportions Exercises p.224
5-2 Ratios, Rates, and Unit Rates Exercises p.228
5-3 Dimensional Analysis Exercises p.232
5-4 Solving Proportions Exercises p.239
Ready To Go On? p.242
5-5 Similar Figures Exercises p.248
5-6 Dilations Exercises p.254
5-7 Indirect Measurement Exercises p.258
5-8 Scale Drawings and Scale Models Exercises p.262
Ready To Go On? p.266
Study Guide: Review p.270
Chapter Test p.273
Standardized Test Prep p.276
Extra Practice p.EP10

Chapter 6


Are You Ready? p.279
6-1 Relating Decimals, Fractions, and Percents Exercises p.284
6-2 Extimating with Percents Exercises p.288
6-3 Finding Percents Exercises p.293
6-4 Finding a Number When the Percent Is Known Exercises p.298
Ready To Go On? p.300
6-5 Percent Increase and Decrease Exercises p.304
6-6 Applications of Percents Exercises p.308
6-7 Simple Interests Exercises p.312
Ready To Go On? p.316
Study Guide: Review p.320
Chapter Test p.323
Standardized Test Prep p.324
Extra Practice p.EP12

Chapter 7

Foundations Of Geometry

Are You Ready? p.327
7-1 Angle Relationships Exercises p.332
7-2 Parallel and Perpendicular Lines Exercises p.338
7-3 Triangles Exercises p.344
7-4 Polygons Exercises p.349
7-5 Coordinate Geometry Exercises p.355
Ready To Go On? p.358
7-6 Congruence Exercises p.362
7-7 Transformations Exercises p.366
7-8 Symmetry Exercises p.374
Ready To Go On? p.376
Study Guide: Review p.380
Chapter Test p.383
Standardized Test Prep p.386
Extra Practice p.EP14

Chapter 8

Perimeter, Area, And Volume

Are You Ready? p.389
8-1 Perimeter and Area of Rectangles and Parallelograms Exercises p.395
8-2 Perimeter and Area of Triangles and Trapezoids Exercises p.400
8-3 Circles Exercises p.406
Ready To Go On? p.408
8-4 Three-Dimensional Figures Exercises p.414
8-5 Volume of Prisms and Cylinders Exercises p.420
8-6 Volumes of Pyramids and Cones Exercises p.426
8-7 Surface Area of Prisms and Cylinders Exercises p.433
8-8 Surface Area of Pyramids and Cones Exercises p.438
8-9 Spheres Exercises p.442
8-10 Scaling Three-Dimensional Figures Exercises p.446
Ready To Go On? p.448
Study Guide: Review p.452
Chapter Test p.455
Standardized Test Prep p.456
Extra Practice p.EP16

Chapter 9

Data And Statistics

Are You Ready? p.459
9-1 Samples and Surveys Exercises p.464
9-2 Identifying Sampling Errors and Bias Exercises p.469
9-3 Organizing Data Exercises p.473
9-4 Measures of Central Tendency Exercises p.479
9-5 Variability Exercises p.484
Ready To Go On? p.488
9-6 Displaying Data Exercises p.493
9-7 Analyzing Data Displays Exercises p.498
9-8 Misleading Graphs and Statistics Exercises p.502
9-9 Scatter Plots Exercises p.506
9-10 Chooding the Best Representation of Data Exercises p.512
Ready To Go On? p.516
Study Guide: Review p.520
Chapter Test p.523
Standardized Test Prep p.526
Extra Practice p.EP18

Chapter 10


Are You Ready? p.529
10-1 Probability Exercises p.535
10-2 Experimental Probability Exercises p.539
10-3 Theoretical Probability Exercises p.547
10-4 Independent and Dependent Events Exercises p.552
Ready To Go On? p.556
10-5 Making Decisions and Predictions Exercises p.560
10-6 The Fundamental Counting Principle Exercises p.566
10-7 Permutations and Combinations Exercises p.572
Ready To Go On? p.574
Study Guide: Review p.578
Chapter Test p.581
Standardized Test Prep p.582
Extra Practice p.EP20

Chapter 11

Multi-Step Equations And Inequalities

Are You Ready? p.585
11-1 Simplifying Algebraic Expressions Exercises p.590
11-2 Solving Multi-Step Equations Exercises p.594
11-3 Solving Equations with Variables on Both Sides Exercises p.600
Ready To Go On? p.602
11-4 Solving Inequalities by Multiplying or Dividing Exercises p.606
11-5 Solving Multi-Step Inequalities Exercises p.610
11-6 Systems of Equations Exercises p.614
Ready To Go On? p.616
Study Guide: Review p.620
Chapter Test p.623
Standardized Test Prep p.626
Extra Practice p.EP22

Chapter 12

Graphing Lines

Are You Ready? p.629
12-1 Graphing Linear Inequalities Exercises p.635
12-2 Slope of a Line Exercises p.639
12-3 Using Slopes and Intercepts Exercises p.645
12-4 Point-Slope Form Exercises p.650
Ready To Go On? p.652
12-5 Direct Variation Exercises p.657
12-6 Graphing Inequalities in Two Variables Exercises p.662
12-7 Solving Systems of Linear Equations by Graphing Exercises p.666
Ready To Go On? p.668
Study Guide: Review p.672
Chapter Test p.675
Standardized Test Prep p.676
Extra Practice p.EP24

Chapter 13

Sequences And Functions

Are You Ready? p.679
13-1 Terms of Arithmetic Sequences Exercises p.685
13-2 Terms of Geometric Sequences Exercises p.689
13-3 Other Sequences Exercises p.695
Ready To Go On? p.698
13-4 Linear Funtions Exercises p.702
13-5 Exponential Functions Exercises p.706
13-6 Quadratic Functions Exercises p.710
13-7 Inverse Variation Exercises p.716
Ready To Go On? p.718
Study Guide: Review p.722
Chapter Test p.725
Standardized Test Prep p.728
Extra Practice p.EP26

Chapter 14


Are You Ready? p.731
14-1 Polynomials Exercises p.736
14-2 Simplifying Polynomials Exercises p.742
Ready To Go On? p.744
14-3 Adding Polynomials Exercises p.749
14-4 Subtracting Polynomials Exercises p.755
14-5 Multiplying Polynomials by Monomials Exercises p.758
14-6 Multiplying Binomials Exericses p.766
Ready To Go On? p.768
Study Guide: Review p.772
Chapter Test p.775
Standardized Test Prep p.776
Extra Practice p.EP28

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