PBS
Career Connections | Pipefitting and Plumbing
Getting water to the drinking fountain and getting waste out of a building are just two jobs for pipefitters and plumbers. A short video details the education and training involved in this rewarding, hands-on career.
Flipped Math
Elimination Method
Eliminate any hesitation about using the resource. The fifth of six installments in Algebra 1 Unit 3 has scholars watch a video to learn about the elimination method for solving systems of linear equations. Examples include systems where...
Khan Academy
Khan Academy: Algebra: Addition Elimination Method 3
This video demonstrates how to solve a system of linear equations using the linear combination elimination method. Results in a dependent system. [5:05]
Khan Academy
Khan Academy: Algebra: 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. [2:38]
Khan Academy
Khan Academy: Algebra: Solving Systems by Substitution 2
This video demonstrates how to solve a system of linear equations by substitution. Example problem is of two equations in two variables. [4:06]
Khan Academy
Khan Academy: Algebra: Solving Systems by Elimination 2
This video demonstrates how to solve a system of linear equations by eliminating a variable. The given system is of two equations in two variables. [3:45]
Khan Academy
Khan Academy: Algebra: Solving Systems by Graphing 2
This video demonstrates how to use a graph in order to determine the number of solutions for a system of linear equations. [3:26]
Khan Academy
Khan Academy: Algebra: Solving Systems of Equations by Elimination
This video gives two examples of how to solve systems of equations by elimination. The first example gives the system of equation to be solved and the second example is a word problem that involves setting up and solving the system of...
Virtual Nerd
Virtual Nerd: What's Another Way of Solving a System of Equations
There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve a system of linear equations by combining the equations together in order to eliminate one of the variables. Then, see how to...
Virtual Nerd
Virtual Nerd: Solve a System of Equations Using Elimination by Multiplication
There are many different ways to solve a system of linear equations. In this tutorial, you'll see how to solve such a system by combining the equations together in a way so that one of the variables is eliminated. Then, see how to find...
Sophia Learning
Sophia: Simultaneous Linear Equations With Infinite Solutions: Lesson 11
This lesson explores how to determine if in a linear system of equations, two equations have all value pairs in common. It is 11 of 11 in the series titled "Simultaneous Linear Equations with Infinite Solutions."
Sophia Learning
Sophia: Simultaneous Linear Equations With Infinite Solutions: Lesson 8
This lesson explores how to determine if in a linear system of equations, two equations have all value pairs in common. It is 8 of 11 in the series titled "Simultaneous Linear Equations with Infinite Solutions."
Sophia Learning
Sophia: Simultaneous Linear Equations: Lesson 6
This lesson explains the concept of linear equations, types of solution sets and the number of equations and variables. It is 6 of 7 in the series titled "Simultaneous Linear Equations."
Khan Academy
Khan Academy: Algebra Ii: Systems of Nonlinear Equations 1
A video showing which of the graphs represents the solutions to the given systems of equations. [1:27]
Khan Academy
Khan Academy: Algebra Ii: Solutions to Three Variable System
This video demonstrates how to solve a system of equations with three variables in order to determine if the system has no solution or infinite solutions. The system is solved using the elimination method. [4:34]
Virtual Nerd
Virtual Nerd: Solve a System of Equations Using the Substitution Method
In this tutorial, you'll see how to solve a system of linear equations by substituting one equation into the other and solving for the variable, then using that variable value to find the value of the other variable. [3:23]
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: How Do You Solve Two Equations With Two Variables?
Learn the step-by-step process of substitution used to solve two equations with two variables by watching this tutorial. [3:27]
Khan Academy
Khan Academy: Systems With Three Variables: Non Linear Systems of Equations 3
In this video a quadratic system is given and, in the process of solving algebraically, it is determined that there is no solution. This conclusion is confirmed graphically.
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: Solving Systems With Substitution: The Substitution Method
This video demonstrates how to solve a given system of equations by using substitution.
Khan Academy
Khan Academy: Solving Systems With Substitution: Substitution Method 3
This video demonstrates how to solve a word problem by setting up and solving a system of equations using the substitution method.
Khan Academy
Khan Academy: Solving Systems of Equations by Multiplication
This video demonstrates how to solve systems of equations by elimination.