Unit 4 : Systems of Equations and Matrices

Systems of Equations

• Solving by Using Substitution
• Solving by Using Elimination
• Solving by Graphing
• Systems of Two Equations
• Solving Systems of Inequalities by Graphing
• More Solving Systems of Inequalities by Graphing
• Systems of Equations Word Problems
• More Systems of Equations Word Problems
• Even More Systems of Equations Word Problems
• Some More Systems of Equations Word Problems
• Systems of Three Equations
• Solving Systems of Three Equations w/ Elimination
• Solving Systems of Three Equations w/ Substitution
• Systems of Three Equations Application Problems
• More Systems of Three Equations Application Problems (solutions)
• Solving Quadratic Systems by Graphing
• Solving Quadratic Systems Algebraically I
• Solving Quadratic Systems Algebraically II
• Systems of Quadratic Equations
• Linear-Quadratic Systems of Equations I
• Linear-Quadratic Systems of Equations II

Matrices

• Basic Matrix Operations
• Introduction to Matrices
• Matrix Multiplication
• More Matrix Multiplication
• Solving Matrix Equations - Basic
• All Matrix Operations
• Determinant Practice
• More Determinant Practice
• Determinants of 2×2 Matrices
• Determinants of 3×3 Matrices
• Even More with Determinants
• Identity & Inverse Matrices
• Inverse Matrices
• Cramer's Rule
• Solving Systems of Two Equations with Cramer's Rule
• Solving Systems of Three Equations with Cramer's Rule
• Using Inverse Matrices to Solve Systems of Equations
• Matrix Equations - Inverses Required

Mixed Solving

• Solving Square Root Equations I
• Solving Square Root Equations II
• Solving Square Root Equations III
• Solving Equations with Rational Exponents
• Solving Polynomial Equations Using Quadratic From Practice
• Solving Quadratic Equations By Factoring
• More Solving Quadratic Equations by Factoring
• Solving Using the Quadratic Formula
• More Solving Using the Quadratic Formula
• Solving Quadratic Equations Using Square Roots
• Solving Quadratic Equations By Completing the Square
• Solve by Completing the Square
• Possible Rational Zeros & Finding Zeros of Polynomials
• The Rational Root Theorem
• Solving Rational Equations I
• Solving Rational Equations II
• Solving Rational Equations III
• Solving Rational Equations IV
• Solving Rational Equations V (solutions)
• Exponential Equations Not Requiring Logarithms
• More Exponential Equations Not Requiring Logarithms
• Logarithmic Equations
• More Logarithmic Equations
• Even More Logarithmic Equations
• Compound Interest
• More Compound Interest
• Even More Compound Interest
• Exponential Growth
• Exponential Decay
• More Exponential Growth & Decay