**Ch 1 - Algebra, Mathematical Models and Problem Solving**

**Lecture Notes & Videos**

Section 1-1

Algebraic Expressions, Real Numbers, and Interval Notation

-----REVIEW: Variable and Verbal Expressions Worksheet with Answers

-----REVIEW: Order of Operations WS with Answers

-----VIDEO: Converting Interval Notation to Set Builder Notation

Section 1-2

Operations with Real Numbers and Simplifying Algebraic Expressions

-----HANDOUT: Rules for Integers

-----REVIEW: Integer Order of Operations WS with Answers

-----REVIEW: Simplifying Algebraic Expressions Worksheet with Answers

-----REVIEW: Naming Real Number Properties Worksheet with Answers

Section 1-3

Graphing & Sketching Equations

-----VIDEO: Sketching Parabolas & Absolute Value Equations by Hand

-----VIDEO: Entering Equations into the TI-84 Graphing Calculator

-----VIDEO: ZOOM Fit, ZOOM Standard, and ZBox Features on the TI-84 Graphing Calculator

-----VIDEO: Using the Table of Values & Setting "Auto" or "Ask" on the TI-84

Section 1-4A

Solving 1-Step Equations, 2-Step Equations, and Multi-Step Equations

-----HANDOUT: Solving Linear Equations & Practice Problems (with Solutions)

-----VIDEO: Solving Implicit Equations on the TI-84 Calculator using the "Intersect" Function

-----VIDEO: Using the "Numeric Solver" to Solve Equations on the TI-84 Plus CE

Section 1-4B

Types of Equations & Linear Equations with Fractions

Section 1-5A

Problem Solving with Linear Equations

-----VIDEO: Using the VARS Button to enter y1, y2, y3 into the TI-83 Calculator

Section 1-5B

Solving Formulas, Money Story Problems, and Finding Dimensions

Help with 2 My Math Lab Questions

Section 1-6

Properties of Integer Exponents

-----VIDEO: Laws of Exponents

-----HANDOUT: Properties of Exponents

Section 1-7

Scientific Notation

-----HANDOUT: Scientific Notation Review & Practice Problems (with Solutions)

MyMathLab Question: Overestimate vs Underestimate

Miscellaneous Questions from Chapter 1

Algebraic Expressions, Real Numbers, and Interval Notation

-----REVIEW: Variable and Verbal Expressions Worksheet with Answers

-----REVIEW: Order of Operations WS with Answers

-----VIDEO: Converting Interval Notation to Set Builder Notation

Section 1-2

Operations with Real Numbers and Simplifying Algebraic Expressions

-----HANDOUT: Rules for Integers

-----REVIEW: Integer Order of Operations WS with Answers

-----REVIEW: Simplifying Algebraic Expressions Worksheet with Answers

-----REVIEW: Naming Real Number Properties Worksheet with Answers

Section 1-3

Graphing & Sketching Equations

-----VIDEO: Sketching Parabolas & Absolute Value Equations by Hand

-----VIDEO: Entering Equations into the TI-84 Graphing Calculator

-----VIDEO: ZOOM Fit, ZOOM Standard, and ZBox Features on the TI-84 Graphing Calculator

-----VIDEO: Using the Table of Values & Setting "Auto" or "Ask" on the TI-84

Section 1-4A

Solving 1-Step Equations, 2-Step Equations, and Multi-Step Equations

-----HANDOUT: Solving Linear Equations & Practice Problems (with Solutions)

-----VIDEO: Solving Implicit Equations on the TI-84 Calculator using the "Intersect" Function

-----VIDEO: Using the "Numeric Solver" to Solve Equations on the TI-84 Plus CE

Section 1-4B

Types of Equations & Linear Equations with Fractions

Section 1-5A

Problem Solving with Linear Equations

-----VIDEO: Using the VARS Button to enter y1, y2, y3 into the TI-83 Calculator

Section 1-5B

Solving Formulas, Money Story Problems, and Finding Dimensions

Help with 2 My Math Lab Questions

Section 1-6

Properties of Integer Exponents

-----VIDEO: Laws of Exponents

-----HANDOUT: Properties of Exponents

Section 1-7

Scientific Notation

-----HANDOUT: Scientific Notation Review & Practice Problems (with Solutions)

MyMathLab Question: Overestimate vs Underestimate

Miscellaneous Questions from Chapter 1