MATH 122 - Prof. Fox - Spring 2025
Virtual Office Hours and Google Meet Instructions
Jump to Material Covered by Test 2
Jump to Material Covered by Test 3
Jump to Material Covered by Test 4
Handouts
Syllabus
Homework Assignment Sheet
These Powers Should Be Memorized
Handout: Mixed Factoring for Video Video: Mixed Factoring Examples
Material Covered by Test 1
Section 1.1 - Exponents, Order of Operations, and Inequality
Video: Section 1.1 Lecture
Section 1.2 - Variables, Expressions, and Equations
Video: Section 1.2 Lecture
Section 1.3 - Real Numbers and the Number Line
Video: Section 1.3 Lecture
Section 1.4 - Adding and Subtracting Real Numbers
Video: Section 1.4 Lecture
Section 1.5 - Multplying and Dividing Real Numbers
Video: Section 1.5 Lecture
Note: See the Summary Exercises on pages 77-78.
Section 1.6 - Properties of Real Numbers
Video: Section 1.6 Lecture
Section 1.7 - Simplifying Expressions
Video: Section 1.7 Lecture
Section 2.1 - The Addition Property of Equality
Video: Section 2.1 Lecture
Section 2.2 - The Multiplication Property of Equality
Video: Section 2.2 Lecture
Section 2.3 - More on Solving Linear Equations
Video: Section 2.3 Lecture
Note: See the Summary Exercises on page 127.
Section 2.4 - Applications of Linear Equations
Video: Section 2.4 Lecture Part A
Video: Section 2.4 Lecture Part B
Material Covered by Test 2
Section 2.5 - Formulas and Additional Applications from Geometry
Video: Section 2.5 Lecture Part A
Video: Section 2.5 Lecture Part B
Section 2.6 - Ratios and Proportions
Video: Section 2.6 Lecture
Section 2.8 - Solving Linear Inequalities
Video: Section 2.8 Lecture
Section 3.1 - Linear Equations and Rectangular Coordinates
Video: Section 3.1 Lecture
Section 3.2 - Graphing Linear Equations in Two Variables
Video: Section 3.2 Lecture
Section 3.3 - The Slope of a Line
Video: Section 3.3 Lecture
Section 3.4 - Slope-Intercept Form of a Linear Equation
Video: Section 3.4 Lecture
Section 3.5 - Point-Slope Form of a Linear Equation
Video: Section 3.5 Lecture
Note: See the Summary Exercises on page 253.
Section 4.1 - The Product Rule and Power Rules for Exponents
Video: Section 4.1 Lecture
Section 4.2 - Interger Exponents and the Quotient Rule
Video: Section 4.2 Lecture Part A
Video: Section 4.2 Lecture Part B
Note: See the Summary Exercises on page 279.
Material Covered by Test 3
Section 4.4 - Adding and Subtracting Polynomials
Video: Section 4.4 Lecture
Section 4.5 - Multiplying Polynomials
Video: Section 4.5 Lecture
Section 4.6 - Special Products
Video: Section 4.6 Lecture
Note: Avoid using FOIL in this Section. Practice the Special Product Rules.
Section 4.7 - Dividing Polynomials
Video: Section 4.7 Lecture Part A (Monomial Divisors)
Video: Section 4.7 Lecture Part B (Long Division of Polynomials)
Section 5.1 - The Greatest Common Factor; Factoring by Grouping
Video: Section 5.1 Lecture Part A (Greatest Common Factor)
Video: Section 5.1 Lecture Part B (Factor by Grouping)
Section 5.2 - Factoring Trinomials
Video: Section 5.2 Lecture
Video Supplements: Video 1 Video 2
Section 5.3 - More on Factoring Trinomials
Video: Section 5.3 Lecture Part A (Trial-and-Error)
Video Supplement: Video
Video: Section 5.3 Lecture Part B (ac-Method)
What they call 'Split & Group' or 'Split & GCF', we call Factor by Grouping.
Video Supplement: Video 1 (thru 4:30 is review) Video 2 (thru 1:30 is review)\
Section 5.4 - Special Factoring Techniques
You may wish to review Section 4.6.
Handout: These Powers Should Be Memorized
A Sum of Squares is Prime.
A Sum of Squares is Prime.
A Sum ... of Squares ... is Prime!
Except for a possible GCF to factor out, like Homework #15.
Video: Section 5.4 Lecture
Video Supplements (Difference of Squares): Video 1 Video 2
Video Supplements (Perfect Square Trinomial): Video 3 Video 4
Video Supplements (Sum/Difference of Cubes): Video 5 Video 6
Summary Exercises pages 362-365
Read bottom 362 - middle 363 (the Blue Box, the Caution, the Example)
Handout: Mixed Factoring for Video
Video: Mixed Factoring Examples
You can work on the problems in the book (1-90 ALL,
starting on page 363) as Test 3 approaches.
Section 5.5 - Solving Quadratic Equations Using the Zero-Factor Property
Video: Section 5.5 Lecture
Section 6.1 - The Fundamental Property of Rational Expressions
Video: Section 6.1 Lecture
Section 6.2 - Multiplying and Dividing Rational Expressions
Note: The author and I work these problems slightly differently. She puts the
tops together and the bottoms together, and then she factors and cancels.
I factor, cancel, and then put together.
Video: Section 6.2 Lecture
Material Covered by Test 4
Section 6.4 - Adding and Subtracting Rational Expressions
Video: Section 6.4 Lecture Part A
Video: Section 6.4 Lecture Part B
Section 6.5 - Complex Fractions
Video: Section 6.5 Lecture
Section 6.6 - Solving Equations with Rational Expressions
Video: Section 6.6 Lecture Part A
Video: Section 6.6 Lecture Part B
Section 10.1 - Radical Expressions
Video: Section 10.1 Lecture
Section 10.2 - Rational Exponents
Video: Section 10.2 Lecture
Section 10.3 - Simplifying Radicals
Video: Section 10.3 Lecture
Section 10.4 - Adding and Subtracting Radical Expressions
Video: Section 10.4 Lecture
Section 10.5 - Multiplying and Dividing Radical Expressions
Video: Section 10.5 Lecture