Sophia Learning
Sophia: Singular and Non Singular Matrices: Lesson 2
This lesson introduces the notion of a singular matrix and provides a shortcut to determine whether or not a given 2x2 matrix is singular. It is 2 of 5 in the series titled "Singular and Non-Singular Matrices."
Sophia Learning
Sophia: Writing Systems of Equations With Augmented Matrices
This lesson demonstrates how to write systems of equations as augmented matrices. Students can watch a tutorial video and then take a quiz.
Khan Academy
Khan Academy: Algebra I Worked Examples: Systems and Rate Problems 2
The word problem in this video explores systems and rates. Students watch a video example on how to solve a systems of equations and rate word problem. [10:04]
Khan Academy
Khan Academy: Algebra I Worked Examples: Systems and Rate Problems 3
The word problem explores systems and rates. Students watch a video example on how to solve a systems of equations and rate word problem. [4:56]
Khan Academy
Khan Academy: Systems of Equations Word Problems: Officer on Horseback
This video demonstrates how to set up and solve a system of equations in order to answer a question posed in a word problem.
Khan Academy
Khan Academy: Algebra: Systems of Equations
This algebra resource demonstrates how to solve systems of equations. Students learn about the concept through a video tutorial.
Khan Academy
Khan Academy: Systems of Equations
This video demonstrates how to solve systems of linear equations in two variables.
Khan Academy
Khan Academy: Systems of Equations: Two Passing Bicycles Word Problem
This video shows how to apply systems of equations to a word problem about two people passing each other on bicycles.
Khan Academy
Khan Academy: Systems of Equations Word Problems: Passed Bike Word Problem
A demonstration of an algebra word problem involving a train passing a bike.
Khan Academy
Khan Academy: Systems of Equations: Problem Solving Word Problems 2
A video that demonstrates how to set up and solve systems of equations in order to answer word problems.
Planet Nutshell
Planet Nutshell: Math Shorts: Solving Simultaneous Linear Equations
Planet Nutshell Math Shorts provide animated videos that explain various math topics. On this site students learn about simultaneous linear equations.
Virtual Nerd
Virtual Nerd: What's a System of Linear Equations?
A system of linear equations is a set of linear equations with the same variables. To solve a system of equations, you need to figure out the variable values that solve all the equations involved. This tutorial will introduce you to...
Virtual Nerd
Virtual Nerd: What's a Solution to a System of Linear Equations?
Follow along as this tutorial uses an example to explain the solution to a system of equations. [2:02]
Khan Academy
Khan Academy: Systems of Equations Word Problems: Walk & Ride
Learn how to solve problems by using systems of equations in this video. Explore how to solve real-world problems using this approach. [6:59]
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Substitution 3
The video [6:04] examines systems of equations. Students watch an example on how to solve systems by substitution.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination 3
The video example explores systems of equations. Students watch an example on how to find and graph the solutions to a system using the elimination method. [4:57]
Khan Academy
Khan Academy: Solving Systems With Elimination: Solving Systems by Elimination
The video example explores systems of equations. Students watch an example on how to find and graph the solutions to a system using the elimination method.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Substitution 1
The video examines systems of equations. Students watch an example on how to solve systems by substitution. [3:44]
Khan Academy
Khan Academy: Systems of Equations Word Problems: Mixture Problems 2
This video demonstrates how to solve a mixture problem by setting up and solving a system of equations.
Khan Academy
Khan Academy: Solving Systems: Testing a Solution for a System of Equations
This video demonstrates how to test a solution for a system of equations by substituting the values back into each equations.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Substitution 2
The video examines systems of equations. Students watch an example on how to solve systems by substitution. [4:06]
Khan Academy
Khan Academy: Solutions to Systems: Independent and Dependent Systems
Students watch a video tutorial to learn the difference between an independent and dependent system of equations.
Khan Academy
Khan Academy: Algebra I Worked Examples: Solving Systems by Elimination 2
The video example explores systems of equations. Students watch an example on how to find the solutions to a system using the elimination method. [3:45]
Khan Academy
Khan Academy: Systems With Three Variables: Solutions to Three Variable System 2
This lesson video shows how to solve a system of three equations with three unknown.