eBook [PDF] Mathematics in Action An Introduction to Algebraic, Graphical, and Numerical Problem Solving, 6th Edition By Consortium for Foundation Mathematics
Mathematics in Action An Introduction to Algebraic, Graphi
...
eBook [PDF] Mathematics in Action An Introduction to Algebraic, Graphical, and Numerical Problem Solving, 6th Edition By Consortium for Foundation Mathematics
Mathematics in Action An Introduction to Algebraic, Graphical, and Numerical Problem Solving
In Memoriam
Contents
Preface
Our Vision
Pedagogical Features
What’s New in the Sixth Edition
MyLab Math Changes in the Sixth Edition
Resources for Success
Resources for Success
Instructor Resources
Student Resources
To the Student
Chapter 1 Number Sense
Cluster 1 Introduction to Problem Solving
Activity 1.1 The Bookstore
Steps in Problem Solving
Objectives
Summary Activity 1.1
Exercises Activity 1.1
Activity 1.2 The Classroom
Problem-Solving Strategies
Objectives
The Handshake
The Classroom
Summary Activity 1.2
Exercises Activity 1.2
Activity 1.3 Properties of Arithmetic
Properties and Vocabulary for Arithmetic Calculations
Objectives
Terminology
Commutative Property
Associative Property
Order of Operations
Exponential Expressions
Square Roots
Using a Calculator to Evaluate Arithmetic Expressions
Scientific Notation
Computations Using Scientific Notation
Summary Activity 1.3
Exercises Activity 1.3
Cluster 1 What Have I Learned?
Cluster 1 How Can I Practice?
Cluster 2 Problem Solving with Fractions and Decimals (Rational Numbers)
Activity 1.4 Top Chef
Operations with Fractions and Mixed Numbers
Objectives
Rational Numbers
Adding and Subtracting Like Fractions
Adding Fractions Having Different Denominators
Multiplying Fractions
Dividing Fractions
Additional Applications
Exercises Activity 1.4
Project 1.5 Course Grades and Your GPA
Problem Solving Using Fractions and Decimals
Objectives
Weighted Averages
Summary Project 1.5
Exercises Project 1.5
Cluster 2 What Have I Learned?
Cluster 2 How Can I Practice?
Cluster 3 Comparisons and Proportional Reasoning
Activity 1.6 Everything Is Relative
Ratios as Fractions, Decimals, and Percents
Objectives
Percents
Summary Activity 1.6
Exercises Activity 1.6
Activity 1.7 Antidepressant Use
Proportional Reasoning
Objective
Proportional Reasoning
Summary Activity 1.7
Exercises Activity 1.7
Activity 1.8 Who Really Did Better?
Actual and Relative Change, Percent Increase and Decrease
Objectives
Relative Change
Percent Change
Actual Change Versus Relative Change
Summary Activity 1.8
Exercises Activity 1.8
Activity 1.9 Going Shopping
Growth and Decay Factors
Objectives
Growth Factors
Using Growth Factors in Percent Increase Problems
Decay Factors
Summary Activity 1.9
Exercises Activity 1.9
Activity 1.10 Take an Additional 20% Off
Consecutive Growth and Decay Factors
Objectives
Cumulative Discounts
Cumulative Increases
What Goes Up Often Comes Down
Summary Activity 1.10
Exercises Activity 1.10
Activity 1.11 Fuel Economy
Rates and Unit Analysis
Objectives
Rates and Unit Analysis
Metric System
Unit Conversion
Summary Activity 1.11
Exercises Activity 1.11
Cluster 3 What Have I Learned?
Cluster 3 How Can I Practice?
Cluster 4 Problem Solving with Signed Numbers
Activity 1.12 Celsius Thermometers
Addition and Subtraction of Integers
Objectives
Absolute Value
Adding Signed Numbers
Subtracting Signed Numbers
Opposites
General Method for Adding and Subtracting Signed Numbers
Summary Activity 1.12
Exercises Activity 1.12
Activity 1.13 Shedding the Extra Pounds
Multiplication and Division of Integers
Objective
Multiplication of Signed Numbers
Division of Signed Numbers
Division Involving Zero
Summary Activity 1.13
Exercises Activity 1.13
Activity 1.14 Order of Operations Revisited
Negative Exponents and Scientific Notation
Objectives
Negation and Exponentiation
Negative Exponents
Scientific Notation Revisited
Calculations Involving Numbers Written in Scientific Notation
Summary Activity 1.14
Exercises Activity 1.14
Cluster 4 What Have I Learned?
Cluster 4 How Can I Practice?
Chapter 1 Summary
Chapter 1 Gateway Review
Chapter 2 Variable Sense
Cluster 1 Symbolic Rules and Expressions
Activity 2.1 Symbolizing Arithmetic
Formulas and Algebraic Expressions
Objectives
Formulas
Constructing Algebraic Expressions in Context
Interpreting Algebraic Expressions in Context
Constructing and Evaluating Formulas
Generic Algebraic Expressions
Universal Language
Summary Activity 2.1
Exercises Activity 2.1
Activity 2.2 Blood Alcohol Levels
Represent a Two-Variable Relationship Algebraically, Numerically, and Graphically
Objectives
Blood Alcohol Concentration—Symbolic Representation
Numerical Representation
Graphical Representation
Medicare Spending
Summary Activity 2.2
Exercises Activity 2.2
Internet Exploration
Activity 2.3 College Expenses
Symbolic Rules
Objectives
Additional College Expenses
Graphical Representation Revisited
Summary Activity 2.3
Exercises Activity 2.3
Activity 2.4 Are They the Same?
Equivalent Expressions and Grouping Symbols
Objectives
Equivalent Expressions
Summary Activity 2.4
Exercises Activity 2.4
Cluster 1 What Have I Learned?
Cluster 1 How Can I Practice?
Cluster 2 Solving Equations
Activity 2.5 Let’s Go Shopping
Solve an Equation Containing One Operation
Objectives
Solving Equations of the Form ax=b, a≠0, Using an Algebraic Approach
Solving Equations of the Form x+a=b Using an Algebraic Approach
Summary Activity 2.5
Exercises Activity 2.5
Activity 2.6 Leasing a Copier
Solve an Equation Containing Two or More Operations
Objectives
Solving Equations Algebraically
Summary Activity 2.6
Exercises Activity 2.6
Activity 2.7 The Algebra of Weather
Solve a Formula for a Specified Variable
Objective
Windchill
Weather Balloon
Temperature to What Degree?
Summary Activity 2.7
Exercises Activity 2.7
Activity 2.8 Four out of Five Dentists Prefer Crest
Proportions
Objectives
Additional Applications
Summary Activity 2.8
Exercises Activity 2.8
Cluster 2 What Have I Learned?
Cluster 2 How Can I Practice?
Cluster 3 More Problem Solving Using Algebra
Activity 2.9 Do It Two Ways
Distributive Property, Greatest Common Factor, and Combining Like Terms
Objectives
Distributive Property Revisited
Geometric Interpretation of the Distributive Property
Using the Distributive Property to Expand a Factored Expression
Extension of the Distributive Property
Using the Distributive Property to Factor an Expanded Expression
Greatest Common Factor
Like Terms
Combining Like Terms
Summary Activity 2.9
Exercises Activity 2.9
Activity 2.10 Decoding
Simplifying Algebraic Expressions
Objectives
Summary Activity 2.10
Exercises Activity 2.10
Activity 2.11 Comparing Energy Costs
Mathematical Models, General Strategy for Solving Linear Equations
Objectives
Purchasing a Car
NBA Basketball Court
Summary Activity 2.11
Exercises Activity 2.11
Project 2.12 Summer Job Opportunities
Problem Solving Using Linear Equations
Objective
Sales
Construction
Restaurants
Cluster 3 What Have I Learned?
Cluster 3 How Can I Practice?
Chapter 2 Summary
Chapter 2 Gateway Review
Chapter 3 Function Sense and Linear Functions
Cluster 1 Function Sense
Activity 3.1 Summer Olympics
Functions, Numerical and Graphical Representation of Functions
Objectives
Functions
Tabular (Numerical) Representation of a Function
Function Notation
Domain and Range of a Function
Representing Functions Graphically
Rectangular Coordinate System Revisited
Earth’s Temperature Represented Graphically
Summary Activity 3.1
Exercises Activity 3.1
Activity 3.2 How Fast Did You Lose?
Average Rate of Change
Objective
Average Rate of Change
Delta Notation
Graphical Interpretation of the Average Rate of Change
Summary Activity 3.2
Exercises Activity 3.2
Project 3.3
Comparing Symbolically Defined Functions and Their Graphs
Objectives
Evaluating Functions
The Connections among the Symbolic (Algebraic), Numerical (Tabular), and Graphical (Visual) Representations of Functions
Evaluating Functions and Solving Equations Algebraically and Graphically
Summary Activity 3.3
Exercises Activity 3.3
Activity 3.4 Course Grade
Representing Functions Symbolically
Objectives
Representing Functions Verbally and Symbolically
Practical Domain and Range
Summary Activity 3.4
Exercises Activity 3.4
Cluster 1 What Have I Learned?
Cluster 1 How Can I Practice?
Cluster 2 Introduction to Linear Functions
Activity 3.5 The Snowy Tree Cricket
Slope and Intercepts of a Line
Objectives
Linear Functions
Slope of a Line
Geometric Meaning of Slope
Horizontal and Vertical Intercepts
Summary Activity 3.5
Exercises Activity 3.5
Activity 3.6 Software Sales
Slope-Intercept Equation of a Line
Objectives
Slope-Intercept Form of an Equation of a Line
Graphing Linear Functions Using the Vertical Intercept and Slope
Graphing Linear Functions Using Intercepts
Parallel Lines
Summary Activity 3.6
Exercises Activity 3.6
Activity 3.7 Predicting Population
Problem Solving Using Slope-Intercept Equation of a Line
Objectives
Summary Activity 3.7
Exercises Activity 3.7
Activity 3.8 College Tuition
Point-Slope Equation of a Line
Objectives
Point-Slope Form of an Equation of a Line
Horizontal Line
Vertical Line
Summary Activity 3.8
Exercises Activity 3.8
Cluster 2 What Have I Learned?
Cluster 2 How Can I Practice?
Cluster 3 Linear Regression, Systems, and Inequalities
Activity 3.9 Education Pays
Line of Best Fit and Regression Equations
Objectives
Goodness-of-Fit Measure
Regression Line
Summary Activity 3.9
Exercises Activity 3.9
Lab 3.10 Body Parts
Problem Solving Using Regression Equations
Objectives
Predicting Height from Bone Length
Activity 3.11 Smartphone Plan Options
Systems of Linear Equations in Two Variables
Objectives
System of Two Linear Equations
Substitution Method for Solving a System of Two Linear Equations
Summary Activity 3.11
Exercises Activity 3.11
Activity 3.12 Healthy Lifestyle
Solving a System of Linear Equations in Two Variables Using the Addition Method
Objectives
Substitution Method Revisited
Addition (or Elimination) Method for Solving a System of Two Linear Equations
Summary Activity 3.12
Exercises Activity 3.12
Project 3.13 Modeling a Business
Problem Solving Using Systems of Linear Equations in Two Variables
Objectives
Activity 3.14 How Long Can You Live?
Linear Inequalities
Objective
Solving Inequalities in One Variable Algebraically
Summary Activity 3.14
Exercises Activity 3.14
Cluster 3 What Have I Learned?
Cluster 3 How Can I Practice?
Chapter 3 Summary
Chapter 3 Gateway Review
Chapter 4 An Introduction to Nonlinear Problem Solving
Cluster 1 Mathematical Modeling Involving Polynomials
Activity 4.1: Fatal Crashes
Polynomials
Objectives
Polynomials
Terminology
Simplifying, Adding, and Subtracting Polynomials
Evaluating Polynomial Functions
Summary Activity 4.1
Exercises Activity 4.1
Activity 4.2: Volume of a Storage Box
Properties of Exponents
Objectives
Property 1 of Exponents: Multiplying Powers Having the Same Base
Property 2 of Exponents: Dividing Powers Having the Same Base b,b≠0
Property 3 of Exponents: Raising a Product or Quotient to a Power
Property 4 of Exponents: Raising a Power to a Power
Defining Zero and Negative Integer Exponents
Summary Activity 4.2
Exercises Activity 4.2
Activity 4.3: Room for Work
Operations with Polynomials
Objectives
Product of Any Two Polynomials
Difference of Squares
Perfect-Square Trinomials
Summary Activity 4.3
Exercises Activity 4.3
Cluster 1 What Have I Learned?
Cluster 1 How Can I Practice?
Cluster 2 Problem Solving with Quadratic Equations and Functions
Activity 4.4: The Amazing Property of Gravity
Solving Quadratic Equations
Objectives
Solving Equations of the Form ax2=c, a≠0
Graph of a Quadratic Function
Solving Equations of the Form ax2=c, a≠0: A Second Look
Summary Activity 4.4
Exercises Activity 4.4
Activity 4.5: What Goes Up, Comes Down
Quadratic Functions and Their Graphs
Objectives
Solving Equations of the Form ax2+bx=0,a≠0
Summary Activity 4.5
Exercises Activity 4.5
Activity 4.6: How High Did It Go?
Solving Quadratic Equations by Factoring
Objectives
Solving Equations of the Form ax2+bx+c=0, a≠0
Summary Activity 4.6
Exercises Activity 4.6
Activity 4.7: More Ups and Downs
Solving Quadratic Equations Using the Quadratic Formula
Objectives
Summary Activity 4.7
Exercises Activity 4.7
Cluster 2 What Have I Learned?
Cluster 2 How Can I Practice?
Cluster 3 Other Nonlinear Functions
Activity 4.8: Inflation
Exponential Functions
Objectives
Exponential Growth
Exponential Decay
Summary Activity 4.8
Exercises Activity 4.8
Activity 4.9: A Thunderstorm
Direct Variation
Objectives
Summary Activity 4.9
Exercises Activity 4.9
Activity 4.10: Diving under Pressure, or Don’t Hold Your Breath
Inverse Variation
Objectives
Functions Defined by y=kx2, Where k Is a Nonzero Constant
Summary Activity 4.10
Exercises Activity 4.10
Activity 4.11: Hang Time
Square Root Functions
Objectives
Summary Activity 4.11
Exercises Activity 4.11
Cluster 3 What Have I Learned?
Cluster 3 How Can I Practice?
Chapter 4 Summary
Chapter 4 Gateway Review
Appendix A Fractions
Proper and Improper Fractions
Reducing a Fraction
Mixed Numbers
Changing an Improper Fraction, ab, to a Mixed Number
Changing a Mixed Number to an Improper Fraction
Exercises
Finding a Common Denominator of Two Fractions
Equivalent Fractions
Comparing Fractions: Determining Which Is Greater, Is abcd ?
Exercises
Addition and Subtraction of Fractions with the Same Denominators
Addition and Subtraction of Fractions with Different Denominators
Addition and Subtraction of Mixed Numbers
Exercises
Multiplying Fractions
Dividing by a Fraction
Exercises
Multiplying or Dividing Mixed Numbers
Exercises
Fractions and Percents
Exercises
Appendix B Decimals
Reading and Writing Decimal Numbers
Exercises
Rounding a Number to a Specified Place Value
Exercises
Converting a Fraction to a Decimal
Exercises
Converting a Terminating Decimal to a Fraction
Exercises
Converting a Decimal to a Percent
Exercises
Converting a Percent to a Decimal
Exercises
Comparing Decimals
Exercises
Adding and Subtracting Decimals
Exercises
Multiplying Decimals
Exercises
Dividing Decimals
Exercises
Appendix C Skills Checks
Skills Check 1
Skills Check 2
Appendix D Algebraic Extensions
Properties of Exponents
Exercises
Addition Method for Solving a System of Two Linear Equations
Exercises
Factoring Trinomials with Leading Coefficient≠1
Exercises
Solving Equations by Factoring
Exercises
Appendix E Getting Started with the TI-84 Plus Family of Calculators
The Home Screen
ANS and ENTRY
Functions and Graphing with the TI-84 Plus CE
Y= menu
Tables of Values
Graphing a Function
The Viewing Window
Zoom Menu
Solving Equations Graphically Using the TI-84 Plus CE
The Intersection Method
Using the TI-84 Plus CE to Determine the Linear Regression Equation for a Set of Paired Data Values
Selected Answers
Chapter 1
Activity 1.2 Exercises:
Activity 1.3. Exercises:
What Have I Learned?
How Can I Practice?
Activity 1.4. Exercises:
Project 1.5. Exercises:
What Have I Learned?
How Can I Practice?
Activity 1.6. Exercises:
Activity 1.7. Exercises:
Activity 1.8. Exercises:
Activity 1.9. Exercises:
Activity 1.10. Exercises:
Activity 1.11. Exercises:
What Have I Learned?
How Can I Practice?
Skills Check 1: Appendix C
Activity 1.12 Exercises:
Activity 1.13 Exercises:
Activity 1.14 Exercises:
What Have I Learned?
How Can I Practice?
Skills Check 2: Appendix C
Gateway Review
Glossary
Index
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