Precalculus Algebra Videos These topics are often covered in Unit 1 of Precalculus Algebra / College Algebra: Review of Graphing Solve Linear and Rational Equations Applications of Linear Equations 1.4: Complex Numbers Part 1 of 2 1.4: Complex Numbers Part 2 of 2 Quadratic-Like Equations Part 1 of 2 Quadratic-Like Equations Part 2 of 2 Polynomial Division Quadratic-Like Equations: Substitution Method Systems of Inequalities 1.7 Linear & Absolute Value Inequalities Part 1 of 2 1.7 Linear & Absolute Value Inequalities Part 2 of 2 1.5 Quadratic Equations Part 1 of 3 1.5 Quadratic Equations Part 2 of 3 1.5 Quadratic Equations Part 3 of 3 Solving Systems of Equations 2.1 Functions & Their Graphs Part 1 of 2 2.1 Functions & Their Graphs Part 2 of 2 2.2 More on Functions & Their Graphs 2.3 Linear Functions & Slope 2.5 Transformation of Graphs Part 1 of 2 2.5 Transformation of Graphs Part 2 of 2 2.6 Combination of Functions AND Composition of Functions 2.7 Inverse Functions 2.8 Distance & Midpoint Formulas Polynomial & Rational Functions 3.1 Quadratic Functions & Their Graphs 3.2 Polynomial Functions & Their Graphs Part 1 of 2 3.2 Polynomial Functions & Their Graphs Part 2 of 2 3.3 Polynomial Division 3.4 Zeros of Polynomial Functions Part 1 of 2 3.4 Zeros of Polynomial Functions Part 2 of 2 3.5 Rational Functions & Their Graphs Part 1 of 3 3.5 Rational Functions & Their Graphs Part 2 of 3 3.5 Rational Functions & Their Graphs Part 3 of 3 3.6 Polynomial & Rational Inequalities Solving Systems of Equations System of Equations with 2 Variables System of Equations with 3 Variables System of Equations with Matrices Logarithmic & Exponential Functions Exponent Etiquette Exponential Functions Logarithmic Functions Log Properties Applying the Properties of Logs Solve Exponential & Log Equations Exponential Growth & Decay