Math 103: Precalculus
About This Course
This course covers topics such as functions, exponentials, linear equations and parabolas. The math instructors are experienced and knowledgeable educators who have put together comprehensive video lessons in categories ranging from how to use FOIL to factors to trigonometry.
Each category is broken down into smaller chapters that will cover topics more indepth. These video lessons make learning fun and interesting. You get the aid of selfgraded quizzes and practice tests to allow you to gauge how much you have learned.
Course Topics
Category  Objectives 

Functions  Learn about transformations, domain, range and inverse functions. Also learn how to compose functions, evaluate composite functions and manipulate functions. 
Evaluating Exponential and Logarithmic Functions  Learn about exponential functions and logarithms. Take a look at graphing, evaluating and solving equations with exponential functions and logarithms. 
Inequalities  Explore set notation, compound inequalities, systems of inequalities and absolute value inequality. Learn how to graph 1 and 2variable inequalities and absolute value inequalities. 
Foundations and Linear Equations  Find out about the different types of numbers, parts of a graph, linear equations and system of equations. Study intercepts, standard form and graphing. 
Graphing and Rational Equations  Learn how to graph reflections across axes, the origin and line Y=X. Practice solving rational equations and finding the least common denominator. 
Factoring and Graphing Quadratic Equations  Study parabolas and learn to multiply binomials and factor quadratic equations using FOIL. Also take a look at completing the square. 
Exponents and Polynomials  Study exponent properties and discover how to define a zero and negative exponent, simplify expressions and use rational exponents. Additionally, learn about working with polynomials, graphing cubics and using long and synthetic division on polynomials. 
Piecewise and Composite Functions  Examine piecewise functions and learn how to graph them. 
Geometry and Trigonometry  Learn how to solve visualizing geometry problems, calculate the volumes of basic shapes and use the Pythagorean Theorem. 
Using Scientific Calculators  Explore how to use a scientific calculator to work with radians, degrees, trigonometry functions and graphs. 
Trigonometry  Learn to graph sine, cosine and transformations. Also, study right triangles and the double angle formula and learn to solve trigonometry equations. 
100% developed This course is fully developed. You can use the lessons in this course to study for exams and supplement your learning right now.
Course Chapters
Functions
All Videos in Functions
 1. Functions: Identification, Notation & Practice Problems
 2. Transformations: How to Shift Graphs on a Plane
 3. What Is Domain and Range in a Function?
 4. How to Add, Subtract, Multiply and Divide Functions
 5. How to Compose Functions
 6. Inverse Functions
 7. Applying Function Operations Practice Problems
Evaluating Exponential and Logarithmic Functions
All Videos in Evaluating Exponential and Logarithmic Functions
 1. What Is an Exponential Function?
 2. Exponential Growth vs. Decay
 3. What is a Logarithm?
 4. How to Graph Logarithms: Transformations and Effects on Domain/Range
 5. How to Evaluate Logarithms
 6. Logarithmic Properties
 7. Practice Problems for Logarithmic Properties
 8. How to Solve Exponential Equations
 9. How to Solve Logarithmic Equations
Inequalities
All Videos in Inequalities
 1. What is an Inequality?
 2. How to Graph 1 and 2Variable Inequalities
 3. Set Notation, Compound Inequalities, and Systems of Inequalities
 4. Graphing Inequalities: Practice Problems
 5. How to Solve and Graph an Absolute Value Inequality
 6. Solving and Graphing Absolute Value Inequalities: Practice Problems
Foundations and Linear Equations
All Videos in Foundations and Linear Equations
 1. What are the Different Types of Numbers?
 2. What Are the Different Parts of a Graph?
 3. What is a Linear Equation?
 4. Linear Equations: Intercepts, Standard Form and Graphing
 5. Abstract Algebraic Examples and Going from a Graph to a Rule
 6. Graphing Undefined Slope, Zero Slope and More
 7. How to Write a Linear Equation
 8. What is a System of Equations?
 9. How Do I Use a System of Equations?
Graphing and Rational Equations
All Videos in Graphing and Rational Equations
Factoring and Graphing Quadratic Equations
All Videos in Factoring and Graphing Quadratic Equations
 1. What is a Parabola?
 2. Parabolas in Standard, Intercept, and Vertex Form
 3. What is a Function?  Applying the Vertical Line Test
 4. Multiplying Binomials Using FOIL and the Area Method
 5. How to Factor Quadratic Equations: FOIL in Reverse
 6. Factoring Quadratic Equations: Polynomial Problems with a Non1 Leading Coefficient
 7. How to Complete the Square
 8. Completing the Square Practice Problems
 9. How to Solve a Quadratic Equation by Factoring
 10. How to Use the Quadratic Formula to Solve a Quadratic Equation
 11. How to Solve Quadratics That Are Not in Standard Form
 12. Graphing Circles: Identifying the Formula, Center and Radius
Exponents and Polynomials
All Videos in Exponents and Polynomials
 1. What Are the Five Main Exponent Properties?
 2. How to Define a Zero and Negative Exponent
 3. How to Simplify Expressions with Exponents
 4. Rational Exponents
 5. Simplifying Expressions with Rational Exponents
 6. How to Graph Cubics, Quartics, Quintics and Beyond
 7. How to Add, Subtract and Multiply Polynomials
 8. How to Divide Polynomials with Long Division
 9. How to Use Synthetic Division to Divide Polynomials
 10. Dividing Polynomials with Long and Synthetic Division: Practice Problems
Piecewise and Composite Functions
All Videos in Piecewise and Composite Functions
Trigonometry
All Videos in Trigonometry
 1. Graphing Sine and Cosine
 2. Graphing Sine and Cosine Transformations
 3. Graphing the Tangent Function: Amplitude, Period, Phase Shift & Vertical Shift
 4. Unit Circle: Memorizing the First Quadrant
 5. Using Unit Circles to Relate Right Triangles to Sine & Cosine
 6. Special Right Triangles: Types and Properties
 7. Law of Sines: Definition and Application
 8. Law of Cosines: Definition and Application
 9. The Double Angle Formula
 10. Converting Between Radians and Degrees
 11. How to Solve Trigonometric Equations for X
 12. List of the Basic Trig Identities

Education Portal Instructors
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