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Elementary Algebra
Katherine Yoshiwara
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Front Matter
Colophon
Preface
1
Variables
1.1
Variables
What is a Variable?
Reading Questions
Using Letters to Represent Variables
Reading Questions
Connections Between Variables
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Reading a Graph
Activity 2: Writing Mathematical Sentences
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 1.1
1.2
Algebraic Expressions
Writing an Algebraic Expression
Reading Questions
Sums
Products
Reading Questions
Differences
Quotients
Reading Questions
Evaluating an Algebraic Expression
Some Useful Algebraic Formulas
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Writing Algebraic Expressions
Activity 2: Evaluating Algebraic Expressions
Exercises
Activity 3: Using Algebraic Formulas
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 1.2
1.3
Equations and Graphs
Anatomy of a Graph
Reading Questions
Reading Questions
Reading Questions
Graphing an Equation
Choosing Scales for the Axes
Solving Equations with Graphs
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Making a Graph
Activity 2: Choosing Scales for the Axes
Activity 3: Using a Graph
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 1.3
1.4
Solving Equations
What is an Equation?
Trial and Error
Reading Questions
Inverse Operations
Solving Equations
Reading Questions
Problem Solving with Equations
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Opposite Operations
Exercises
Activity 2: Solving Equations Algebraically
Exercises
Activity 3: Using Formulas
Activity 4: Writing Equations
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 1.4
1.5
Order of Operations
Addition and Multiplication
Subtraction and Division
Reading Questions
Combined Operations
Parentheses
Reading Questions
Fraction Bars
Reading Questions
Summary
Algebraic Expressions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Which Operations Come First?
Exercises
Activity 2: Parentheses and Fraction Bars
Exercises
Activity 3: Algebraic Expressions
Exercises
Activity 4: Using Your Calculator
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 1.5
1.6
Chapter 1 Summary and Review
Lesson 1.1 Variables
Lesson 1.2 Algebraic Expressions
Lesson 1.3 Equations and Graphs
Lesson 1.4 Solving Equations
Lesson 1.5 Order of Operations
Review Questions
Review Problems
Exercises
2
Linear Equations
2.1
Signed Numbers
Types of Numbers
Reading Questions
Adding Two Numbers with the Same Sign
Adding Two Numbers with Opposite Signs
Reading Questions
Subtracting a Positive Number
Subtracting a Negative Number
Reading Questions
Multiplying Signed Numbers
Case 1: The product of numbers with opposite signs
Case 2: The product of numbers with the same sign
Dividing Signed Numbers
Reading Questions
Quotients Involving Zero
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Sums and Differences
Exercises
Activity 2: Products and Quotients
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 2.1
2.2
Expressions and Equations
Writing Algebraic Expressions
Reading Questions
Evaluating Algebraic Expressions
Reading Questions
Negative Numbers
Reading Questions
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Order of Operations
Exercises
Activity 2: Writing Algebraic Expressions
Exercises
Activity 3: Evaluating Algebraic Expressions
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 2.2
2.3
Graphs of Linear Equations
Graphing Equations
Reading Questions
Cartesian Coordinate System
Reading Questions
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Graphing Equations
Activity 2: Cartesian Coordinate System
Exercises
Activity 3: Using a Graph
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 2.3
2.4
Linear Equations and Inequalities
Solving Equations
Reading Questions
Applied Problems
Solving Inequalities
Reading Questions
Compound Inequalities
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Order of Operations
Exercises
Activity 2: Problem Solving
Exercises
Activity 3: Inequalities
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 2.4
2.5
Like Terms
Equivalent Expressions
Reading Questions
Reading Questions
Like Terms
Adding and Subtracting Like Terms
Reading Questions
Removing Parentheses
Reading Questions
Solving Equations and Inequalities
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Equivalent Expressions
Exercises
Activity 2: Solving Equations and Inequalities
Exercises
Activity 3: Like Terms and Parentheses
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 2.5
2.6
Chapter 2 Summary and Review
Lesson 2.1 Signed Numbers
Section 2.2 Expressions and Equations
Section 2.3 Graphs of Linear Equations
Section 2.4 Linear Equations and Inequalities
Section 2.5 Like Terms
Review Questions
Review Problems
Exercises
3
Graphs of Linear Equations
3.1
Intercepts
Intercepts of a Line
Reading Questions
The Intercept Method of Graphing
Reading Questions
Interpreting the Intercepts
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Intercept Method of Graphing
Exercises
Activity 2: Interpreting the Intercepts
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 3.1
3.2
Ratio and Proportion
Ratios
Reading Questions
Rates
Proportions
Reading Questions
Proportional Variables
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Ratios and Rates
Exercises
Activity 2: Proportions
Exercises
Activity 3: Proportional Variables
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 3.2
3.3
Slope
Rate of Change
Reading Questions
Slope
Reading Questions
Meaning of Slope
Reading Questions
Geometrical Meaning of Slope
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Calculating Slope
Exercises
Activity 2: Negative Slopes
Exercises
Activity 3: Computing Slopes
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 3.3
3.4
Slope-Intercept Form
Writing a Linear Equation
Reading Questions
Reading Questions
Slope-Intercept Method of Graphing
Reading Questions
Finding the Slope-Intercept Form
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: The Slope and the
\(y\)
-intercept
Exercises
Activity 2: Slope-Intercept Form
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 3.4
3.5
Properties of Lines
Parallel and Perpendicular Lines
Reading Questions
Reading Questions
Reading Questions
Reading Questions
Equations for Horizontal and Vertical Lines
Reading Questions
Distance Between Points
Reading Questions
Subscript Notation
Reading Questions
A New Formula for Slope
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Parallel and Perpendicular Lines
Activity 2: Horizontal and Vertical Lines
Activity 3: Slope
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 3.5
3.6
Chapter 3 Summary and Review
Lesson 3.1 Intercepts
Lesson 3.2 Ratio and Proportion
Lesson 3.3 Slope
Lesson 3.4 Slope-Intercept Form
Lesson 3.5 Properties of Lines
Review Questions
Review Problems
Exercises
4
Applications of Linear Equations
4.1
The Distributive Law
Products
Reading Questions
The Distributive Law
Reading Questions
Solving Equations and Inequalities
Reading Questions
Algebraic Expressions
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Simplifying Expressions
Exercises
Activity 2: Solving Equations
Exercises
Activity 3: Problem Solving
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 4.1
4.2
Systems of Linear Equations
What is a System of Equations?
Reading Questions
Solving a System of Equations by Graphing
Reading Questions
Inconsistent and Dependent Systems
Reading Questions
Problem Solving with Systems
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Solving Systems by Graphing
Activity 2: Problem Solving
Activity 3: Inconsistent and Dependent Systems
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 4.2
4.3
Algebraic Solution of Systems
Substitution Method
Reading Questions
Elimination Method
Reading Questions
Reading Questions
Inconsistent and Dependent Systems
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Substitution Method
Exercises
Activity 2: Elimination Method
Exercises
Activity 3: Applications
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 4.3
4.4
Problem Solving with Systems
Interest
Reading Questions
Reading Questions
Mixtures
Reading Questions
Reading Questions
Motion
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Interest
Activity 2: Mixtures
Activity 2: Motion
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 4.4
4.5
Point-Slope Formula
Finding an Equation for a Line
Reading Questions
The Line Through Two Points
Reading Questions
Applications
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Point-Slope Formula
Exercises
Activity 2: Using the Point-Slope Formula
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 4.5
4.6
Chapter 4 Summary and Review
Lesson 4.1 The Distributive Law
Lesson 4.2 Systems of Linear Equations
Lesson 4.3 Algebraic Solution of Systems
Lesson 4.4 Applications of Systems
Lesson 4.5 Point-Slope Form
Review Questions
Review Problems
Exercises
5
Exponents and Roots
5.1
Exponents
What is an Exponent?
Reading Questions
Reading Questions
Powers of Negative Numbers
Reading Questions
Using a Calculator
Powers of Variables
Reading Questions
Order of Operations
Reading Questions
Like Terms
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Exponents
Exercises
Activity 2: Computing Powers
Exercises
Activity 3: Order of Operations
Exercises
Activity 4: Like Terms
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 5.1
5.2
Square Roots and Cube Roots
What is a Square Root?
Reading Questions
Radicals
Reading Questions
Reading Questions
Rational and Irrational Numbers
Reading Questions
Reading Questions
Reading Questions
Order of Operations
Reading Questions
Cube Roots
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Roots and Radicals
Exercises
Activity 2: Rational Numbers
Exercises
Activity 3: Order of Operations
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 5.2
5.3
Using Formulas
Volume and Surface Area
Reading Questions
Solving Equations with
\(x^2\)
Reading Questions
Pythagorean Theorem
Reading Questions
Solving for One Variable
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Volume and Surface Area
Exercises
Activity 2: Pythagorean Theorem
Exercises
Activity 3: Formulas
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 5.3
5.4
Products of Binomials
Products of Variables
Reading Questions
Using the Distributive Law
Reading Questions
Reading Questions
Multiplying Binomials
Reading Questions
The Four Terms in a Binomial Product
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Areas of Rectangles
Exercises
Activity 2: Products of Binomials
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 5.4
5.5
Chapter 5 Summary and Review
Lesson 5.1 Exponents
Lesson 5.2 Square Roots and Cube Roots
Lesson 5.3 Using Formulas
Lesson 5.4 Products of Binomials
Review Questions
Review Problems
Exercises
6
Quadratic Equations
6.1
Extracting Roots
Quadratic Equations
Reading Questions
Graphs of Quadratic Equations
Reading Questions
Solving Quadratic Equations
Reading Questions
Extraction of Roots
Reading Questions
Reading Questions
Reading Questions
Solving Formulas
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Quadratic Equations
Exercises
Activity 2: Extracting Roots
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 6.1
6.2
Some Quadratic Models
Revenue
Reading Questions
The Zero-Factor Principle
Reading Questions
Factoring
Reading Questions
Reading Questions
Solving Quadratic Equations by Factoring
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Revenue
Exercises
Activity 2: Factoring Out a Common Factor
Exercises
Activity 3: Zero-Factor Principle
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 6.2
6.3
Solving Quadratic Equations by Factoring
The Zero-Factor Principle
Reading Questions
Factoring Quadratic Trinomials
Reading Questions
Reading Questions
Solving a Quadratic Equation
Reading Questions
Application
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Factoring a Quadratic Trinomial
Activity 2: Solving Quadratic Equations
Exercises
Activity 3: Application
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 6.3
6.4
Graphing Quadratic Equations
\(x\)
-Intercepts of a Parabola
Reading Questions
The Vertex
Reading Questions
Reading Questions
Graphing Parabolas
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Parabolas
Exercises
Activity 2: Intercepts and Vertex
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 6.4
6.5
The Quadratic Formula
Using the Quadratic Formula
Reading Questions
Reading Questions
Reading Questions
Non-Real Solutions
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Using the Quadratic Formula
Exercises
Activity 2: Application to Graphing
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 6.5
6.6
Chapter 6 Summary and Review
Lesson 6.1 Extracting Roots
Lesson 6.2 Some Quadratic Models
Lesson 6.3 Solving Quadratic Equations by Factoring
Lesson 6.4 Graphing Quadratic Equations
Lesson 6.5 The Quadratic Formula
Review Questions
Review Problems
Exercises
7
Polynomials
7.1
Polynomials
What is a Polynomial?
Reading Questions
Degree
Reading Questions
Reading Questions
Evaluating Polynomials
Like Terms
Reading Questions
Adding Polynomials
Subtracting Polynomials
Reading Questions
Application
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Polynomials
Exercises
Activity 2: Adding and Subtracting Polynomials
Exercises
Activity 3: Applications
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 7.1
7.2
Products of Polynomials
Products of Powers
Reading Questions
Products of Monomials
Reading Questions
Multiplying by a Monomial
Reading Questions
Products of Polynomials
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Products of Monomials
Exercises
Activity 1: Products of Polynomials
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 7.2
7.3
More About Factoring
Quotients of Powers
Reading Questions
Quotients of Monomials
Greatest Common Factors
Reading Questions
Factoring Quadratic Trinomials by Guess-and-Check
Reading Questions
Quadratic Trinomials in Two Variables
Combining Factoring Techniques
Reading Questions
\(\blert{\text{Optional Extension: The Box Method}}\)
Reading Questions
Factoring Quadratic Trinomials by the Box Method
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Quotients and the GCF
Exercises
Activity 2: Quadratic Trinomials
Exercises
Activity 3: Factoring Completely
Exercises
\(\blert{\text{(Optional Extension)}~~}\)
Activity 4: The Box Method
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 7.3
7.4
Special Products and Factors
Squares of Monomials
Reading Questions
Squares of Binomials
Reading Questions
Reading Questions
Difference of Two Squares
Reading Questions
Factoring Special Products
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Lesson
Activity 1: Special Products
Exercises
Activity 2: Special Factorizations
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 7.4
7.5
Chapter 7 Summary and Review
Lesson 7.1 Polynomials
Lesson 7.2 Products of Polynomials
Lesson 7.3 More About Factoring
Lesson 7.4 Special Products and Factors
Review Questions
Review Problems
Exercises
8
Algebraic Fractions
8.1
Algebraic Fractions
What is an Algebraic Fraction?
Reading Questions
Applications of Algebraic Fractions
Reducing Fractions
Reading Questions
Reading Questions
Negative of a Binomial
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Algebraic Fractions
Exercises
Activity 2: Reducing Fractions
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 8.1
8.2
Operations on Fractions
Products of Fractions
Reading Questions
Reading Questions
Quotients of Fractions
Reading Questions
Adding Like addition
Reading Questions
Reading Questions
Subtracting Like Fractions
Reading Questions
Polynomial Division
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Multiplying and Dividing Fractions
Exercises
Activity 2: Like Fractions
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 8.2
8.3
Lowest Common Denominator
Building Fractions
Reading Questions
Adding and Subtracting Unlike Fractions
Reading Questions
Finding the Lowest Common Denominator
Reading Questions
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Unlike Fractions
Exercises
Activity 2: Finding the LCD
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 8.3
8.4
Equations with Fractions
"Clearing" Fractions
Using an LCD to Clear Fractions
Reading Questions
Variables in the Denominator
Reading Questions
Extraneous Solutions
Reading Questions
Reading Questions
Formulas
Reading Questions
Applications
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Using a Graph
Activity 2: Using Algebra
Exercises
Activity 3: Work Problem
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 8.4
8.5
Chapter 8 Summary and Review
Lesson 8.1 Algebraic Fractions
Lesson 8.2 Operations on Algebraic Fractions
Lesson 8.3 Lowest Common Denominator
Lesson 8.4 Equations with Fractions
Review Questions
Review Problems
Exercises
9
More About Exponents and Roots
9.1
Laws of Exponents
Products and Quotients
Reading Questions
Power of a Power
Reading Questions
Power of a Product
Reading Questions
Power of a Quotient
Reading Questions
Using the Laws of Exponents
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Laws of Exponents
Exercises
Activity 2: Simplifying Expressions
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 9.1
9.2
Negative Exponents and Scientific Notation
Zero as an Exponent
Reading Questions
Negative Exponents
Reading Questions
Laws of Exponents
Reading Questions
Powers of Ten
Reading Questions
Scientific Notation
Reading Questions
Calculators and Scientific Notation
Reading Questions
Mental Calculation with Scientific Notation
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Negative Exponents
Exercises
Activity 2: Laws of Exponents
Exercises
Activity 3: Scientific Notation
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 9.2
9.3
Properties of Radicals
Product and Quotient Rules
Simplifying Square Roots
Reading Questions
Square Root of a Variable Expression
Reading Questions
Reading Questions
Reading Questions
Sums and Differences
Reading Questions
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Properties of Radicals
Exercises
Activity 2: Simplifying Radicals
Exercises
Activity 3: Sums and Differences
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 9.3
9.4
Operations on Radicals
Products
Reading Questions
Reading Questions
Reading Questions
Reading Questions
Quotients
Reading Questions
Fractions
Reading Questions
Rationalizing the Denominator
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Products and Quotients
Exercises
Activity 2: Fractions with Radicals
Exercises
Activity 3: Application
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 9.4
9.5
Equations with Radicals
Radical Equations
Reading Questions
Extraneous Solutions
Reading Questions
Reading Questions
Equations with Cube Roots
Reading Questions
Extraction of Roots
Reading Questions
Skills Warm-Up
Exercises
Answers to Skills Warm-Up
Activity 1: Solving Radical Equations
Exercises
Activity 2: Roller Coasters
Exercises
Activity 3: Quadratic Equations
Exercises
Wrap-Up
Homework Preview
Exercises
Answers to Homework Preview
Homework 9.5
9.6
Chapter 9 Summary and Review
Lesson 9.1 Laws of Exponents
Lesson 9.2 Negative Exponents and Scientific Notation
Lesson 9.3 Properties of Radicals
Lesson 9.4 Operations on Radicals
Lesson 9.5 Equations with Radicals
Review Questions
Review Problems
Exercises
Appendices
A
Answers to Selected Exercises and Homework Problems
B
GNU Free Documentation License
Index
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