Instructional Video
Khan Academy

Khan Academy: Algebra: Solving Systems by Graphing 3

9th - 10th Standards
This video demonstrates how to graph a system of equations and identify how many solutions it has. [5:08]
Instructional Video
Khan Academy

Khan Academy: Algebra: Patterns and Equations

9th - 10th
This video has several problems that deal with writing equations. The first problem illustrates how to write an equation to represent the relationship between variables in a table. The rest of the sample problems demonstrate how to take...
Instructional Video
Khan Academy

Khan Academy: Algebra: Solving Systems by Elimination

9th - 10th
This video demonstrates how to set up and solve a system of equations in order to solve a word problem. The system is solved using the elimination method. [5:51]
Instructional Video
Khan Academy

Khan Academy: Algebra: Graphical Systems Application Problem

9th - 10th Standards
This video demonstrates how to solve a word problem that requires setting up and solving a system of equations. The problem requires that the system of equations be solved graphically. [5:19]
Instructional Video
Khan Academy

Khan Academy: Algebra: Solving Linear Equations by Graphing

9th - 10th Standards
This video demonstrates how to solve systems of two equations by graphing each line and finding the point of intersection. [8:30]
Instructional Video
Khan Academy

Khan Academy: Algebra: Graphings Systems of Equations

9th - 10th Standards
This video demonstrates how to solve a system of linear equations by graphing and finding the point of intersection. [6:35]
Instructional Video
Khan Academy

Khan Academy: Algebra: Solving Linear Systems by Substitution

9th - 10th Standards
This video demonstrates how to solve a system of linear equations by using the substitution method. [9:21]
Instructional Video
Khan Academy

Khan Academy: Algebra: Solving Systems of Equations by Elimination

9th - 10th Standards
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...
Instructional Video
Khan Academy

Khan Academy: Systems of Equations Word Problems: Officer on Horseback

9th - 10th
This video demonstrates how to set up and solve a system of equations in order to answer a question posed in a word problem.
Instructional Video
Khan Academy

Khan Academy: Solving Systems by Substitution

9th - 10th
This video demonstrates how to solve a system of linear equations by substitution.
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Substitution: The Substitution Method

9th - 10th Standards
This video demonstrates how to solve a given system of equations by using substitution.
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Substitution: Substitution Method 3

9th - 10th Standards
This video demonstrates how to solve a word problem by setting up and solving a system of equations using the substitution method.
Instructional Video
Khan Academy

Khan Academy: Solving Systems With Substitution: Solving Systems by Substitution

9th - 10th
This video demonstrates how to solve a system of linear equations by substitution.
Instructional Video
Khan Academy

Khan Academy: Systems of Equations Word Problems: Systems and Rate Problems

9th - 10th Standards
This video demonstrates how to set up and solve a system of equations in order to solve a word problem concerning rates.
Instructional Video
Khan Academy

Khan Academy: Solving Systems Through Examples: Graphically Solving Systems Ex 2

9th - 10th Standards
This video demonstrates how to use a graph in order to determine the number of solutions for a system of linear equations.
Instructional Video
Khan Academy

Khan Academy: Solving Systems of Linear Equations Harder Example

9th - 10th Standards
Watch [4:29] Sal work through a harder Solving systems of linear equations problem.
Instructional Video
Khan Academy

Khan Academy: Solving Systems of Linear Equations Basic Example

9th - 10th Standards
Watch [1:56] Sal work through a basic Solving systems of linear equations problem.
Instructional Video
Khan Academy

Khan Academy: Lesson: Solving Systems of Linear Equations Harder Example

9th - 10th
In this video lesson [4:29] watch Sal work through a harder Solving systems of linear equations problem.