Virtual Nerd
Virtual Nerd: How Do You Solve a System of Equations by Graphing?
Check out this tutorial to see how to solve a system of linear equations by graphing both lines and finding their intersection. [4:01]
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: 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: Algebra: Conic Sections: Non Linear Systems of Equations 2
The second in a series of video lessons on solving non-linear systems of equations. This video shows an example of how to solve a system in which both equations are quadratic by using the substitution method. After the solutions are...
Khan Academy
Khan Academy: Non Linear Systems of Equations: Non Linear Systems of Equations 2
The second in a series of video lessons on solving non-linear systems of equations.
Khan Academy
Khan Academy: Non Linear Systems of Equations: Systems of Nonlinear Equations 2
A video demonstration on how to find the solution of two systems of equations.
Khan Academy
Khan Academy: Non Linear Systems of Equations: Systems of Nonlinear Equations 3
A demonstration on how to find the solution of a linear and a nonlinear systems of equations graphically and by the substitution method.
Virtual Nerd
Virtual Nerd: How Do You Solve an Equation With No Solution?
Trying to solve an equation with variables on both sides of the equation? Figure out how to get those variables together and solve the equation. Turns out, this equation has no solution. Watch this to find out why. [2:00]
Khan Academy
Khan Academy: Algebra: Linear Equations 2
A video that demonstrates how to solve equations of the form Ax + B = C.
Khan Academy
Khan Academy: Algebra: Linear Equations 1
A video that demonstrates how to solve linear equations of the form Ax=B.
Khan Academy
Khan Academy: Algebra: Conic Sections: Non Linear Systems of Equations 1
A video lesson on solving a non-linear system of equations graphically. The system consists of one quadratic equation and one linear equation. Both are graphed to find the points of intersection. The solutions are confirmed algebraically...
Khan Academy
Khan Academy: Non Linear Systems of Equations: Non Linear Systems of Equations 1
A video lesson on solving a non-linear system of equations graphically.
Khan Academy
Khan Academy: Solving Linear Systems by Substitution
This video demonstrates how to solve a system of linear equations by using the substitution method.
Khan Academy
Khan Academy: Solving Systems Through Examples: Graphically Solving Systems Ex 2
This video demonstrates how to use a graph in order to determine the number of solutions for a system of linear equations.
Khan Academy
Khan Academy: Solving Systems Through Examples: Graphing Systems of Equations
This video demonstrates how to solve a system of linear equations by graphing and finding the point of intersection.
Khan Academy
Khan Academy: Quadratic Systems: Both Variables Are Squared
See a worked example of quadratic systems where both variables are squared. [3:33]
Khan Academy
Khan Academy: Quadratic System With No Solutions
Sal solves a system of two quadratic equations algebraically and finds the system has no solutions. He then graphs the equations to show that this is true. [6:57]
Khan Academy
Khan Academy: Quadratic Systems: Graphical Solution
Sal solves a system of a quadratic equation and a linear equation by graphing both equations and looking for their intersections, and then checks the solution algebraically. [5:44]
Sophia Learning
Sophia: Simultaneous Linear Equations With No Solution: Lesson 5
This lesson explores how to determine if a linear system of equations has no value pairs in common. It is 5 of 10 in the series titled "Simultaneous Linear Equations with No Solution."
Sophia Learning
Sophia: Simultaneous Nonlinear Equations: Lesson 2
This lesson explains the concept of nonlinear equations, types of solution sets and the number of equations and variables. It is 2 of 5 in the series titled "Simultaneous Nonlinear Equations."
Sophia Learning
Sophia: Simultaneous Nonlinear Equations: Lesson 1
This lesson explains the concept of nonlinear equations, types of solution sets and the number of equations and variables. It is 1 of 5 in the series titled "Simultaneous Nonlinear Equations."
Sophia Learning
Sophia: Simultaneous Nonlinear Equations With Two Solutions: Lesson 4
This lesson explains what to do when you find that two equations have two points in common while solving a non-linear system of equations. It is 4 of 10 in the series titled "Simultaneous Nonlinear Equations with Two Solutions." [3:16]...
Sophia Learning
Sophia: Solving a System of Linear and Quadratic Equations: Lesson 2
Solve a system of one linear and one quadratic equation in two variables, where only factoring is required. This lesson is 2 of 3 in the series titled "Solving a System of Linear and Quadratic Equations."