Videos for College Algebra
Chapter 9: Systems and Matrices
Section 9.1: Systems of Linear Equations
Videos
- Systems of Equations - Substitution Method
- Systems of Equations - Elimination Method
- Applications - 2 Equations in 2 Unknowns
- System of 3 Equations in 3 Unknowns
- Systems of Equations - 2 Equations, 3 Unknowns
- Systems of Equations - Equation of a Parabola: 3 Points
- Systems of Equations - Mixture Problems (3 Unknowns)
Section 9.4: Partial Fractions
Videos
- Partial Fraction Decomposition
- Partial Fraction Decomposition – Repeated Linear Factors
- Partial Fraction Decomposition – Quadratic Factors
- Partial Fractions Decomposition – Linear Factor and Repeated Quadratic Factor
Section 9.5: Nonlinear Systems of Equations
Videos
- System of Nonlinear Equations - Substitution Method
- System of Nonlinear Equations - Elimination Method
- System of Nonlinear Equations - Multiple Strategies
- System of Nonlinear Equations - Absolute Value Equation
- System of Nonlinear Equations - Nonreal Complex Solutions
- System of Nonlinear Equations - Applications
Section 9.6: Systems of Inequalities and Linear Programming
Videos
- Graphing Linear Inequalities in 2 Variables
- Graphing Nonlinear Inequalities in 2 Variables
- Systems of Inequalities
- Linear Programming
- Linear Programming Application
