Sophia Learning
Sophia: Verifying That Matrices Are Inverses: Lesson 7
This lesson demonstrates how to determine whether or not matrices are inverse. It is 7 of 7 in the series titled "Verifying that Matrices are Inverses."
Sophia Learning
Sophia: Verifying That Matrices Are Inverses: Lesson 1
This lesson demonstrates how to determine whether or not matrices are inverse. It is 1 of 7 in the series titled "Verifying that Matrices are Inverses."
Sophia Learning
Sophia: Solving a System of Linear and Quadratic Equations: Lesson 1
Solve a system of one linear and one quadratic equation in two variables, where only factoring is required. This lesson is 1 of 3 in the series titled "Solving a System of Linear and Quadratic Equations."
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices #3
This lesson demonstrates how to write systems of equations as augmented matrices.
Sophia Learning
Sophia: Linear Inequality From a Word Problem
Explains how to derive an inequality given a word problem and then solves that word problem.
Sophia Learning
Sophia: Checking Solutions
This video tutorial demonstrates how to check for solutions to a system of equations. The lesson includes a detailed example.