Curated Video
Analyzing Solutions: Linear and Quadratic Systems on Graphs
In this lesson, students will learn about linear and quadratic systems of equations by inspecting graphs. They will understand that a system of equations is a set of two or more equations with the same set of unknown values.
Khan Academy
Khan Academy: Algebra: Conic Sections: Non Linear Systems of Equations 3
The final video in a series of lessons on solving non-linear systems of equations. A quadratic system is given and, in the process of solving algebraically, it is determined that there is no solution. This conclusion is confirmed...
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: Factoring Quadratics: Examples: Factoring Simple Quadratics
A few examples of factoring quadratics
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: Solving a Quadratic Representation for a Given Height #2
In this lesson, students will learn Solving a Quadratic Representation for a given height.