Curated Video
Adding Equations in a System: Commonalities in Tables and Graphs
In this lesson, students will learn what happens when equations in a system are added together. By observing tables of values and graphs, they will understand that adding two linear equations creates a new system with the same solution...
Curated Video
Testing Solutions to Systems of Equations
In this video, the teacher explains how to determine if a pair of numbers is a solution to a system of linear equations. By systematically testing values, the teacher demonstrates how to find the values of X and Y that satisfy both...
Curated Video
Understanding the Influence of Multiplying Equations by Constants on Graphs
In this video, the teacher explains how multiplying an equation by a constant affects the equation and its graph. They define constants and variables, and show how multiplying every term in an equation by a constant produces an...
Curated Video
Adding and Multiplying Equations in a System of Equations
In this video, the teacher explains how to solve a system of equations by adding a multiple of one equation to the other. They review the multiplication property of equality and the addition property of equality. Through trial and error,...
Curated Video
Understanding the Multiplication Property of Equality
In this video, the teacher explains how multiplying an equation in a system of equations by a constant does not change the solution. They introduce the multiplication property of equality and demonstrate it through examples and trial and...
Curated Video
Adding Equations in a System: Using the Addition Property of Equality
Learn how adding two equations together in a system of equations results in an equation with the same solution. The video also emphasizes the importance of testing the solution in both equations to ensure it satisfies both.
Curated Video
Solving Systems of Literal Equations
In this lesson, students will learn how to solve systems of literal equations, which are equations with variables representing unknown values. They will use properties of real numbers and inverse operations to isolate variables and find...
Curated Video
Finding Equations for Systems of Equations: An Algebraic Proof
In this video, the teacher explains how to find the equation of another line that passes through the same point where two lines intersect. They demonstrate that the sum of any two equations in a linear system creates another equation in...
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...