Khan Academy
Khan Academy: Solve Systems of Linear Equations With Elimination (Advanced)
In this exercise, students practice solving systems of linear equations with elimination (advanced). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Oswego City School District
Regents Exam Prep Center: Systems of Linear Equations
This website contains tutorials that cover the methods used to solve linear equations, substitution, elimination (adding & subtracting), and graphing. The practice pages allow students to practice the skills they have learned. On the...
Khan Academy
Khan Academy: Systems of Linear Equations Word Problems
In this exercise, students practice solving systems of linear equations in word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
CK-12 Foundation
Ck 12: Algebra: Systems Using Substitution
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.
Help Algebra
Help algebra.com: Addition Method to Solve Systems
Also known as the Elimination Method, the Addition Method is used in solving several systems of equations. This step-by-step demonstration is a helpful resource to use when learning about solving systems.
Help Algebra
Help algebra.com: Substitution Method for Systems
Using the Substitution Method, a system of equations is solved. The process is shown in detail and can be used as a reference for solving other systems
Oswego City School District
Regents Exam Prep Center: Solving Linear Systems Graphically
The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.
Alabama Learning Exchange
Alex: When Will Mr. "X" Meet Miss "Y"?
During this lesson, young scholars will solve systems of equations graphically. Students will graph various equations individually using graphing paper. They will work with a partner to solve several system of equation problems and then...
Alabama Learning Exchange
Alex: Battleships
This lesson is designed to review and reinforce three methods (graphing, substitution and elimination) of solving systems of linear equations. The students will work together and independently to find the solutions to systems of...
Illustrative Mathematics
Illustrative Mathematics: A Rei the Circle and the Line
Students are required to solve a system of equations in this task which will demonstrate their understanding of the correspondence between intersection points of the two graphs and solutions of the system. Aligns with A-REI.C.7.
Alabama Learning Exchange
Alex: Wild Water Adventure
Students will learn how a system of equations can be used to find the best use of information to make decisions in real-world situations.Students will work in groups of 3s or 4s to develop a system for the best buy on tickets at a water...
Cool Math
Coolmath: Systems of Equations Solving by Substitution
Reference material and practice problems solving by substitution.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve linear systems using multiplication.
CK-12 Foundation
Ck 12: Algebra: Consistent and Inconsistent Linear Systems
[Free Registration/Login may be required to access all resource tools.] Identify consistent and inconsistent linear systems.
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Write linear equations in standard form and find the slope and y-intercept of such lines.
CK-12 Foundation
Ck 12: Algebra: Forms of Linear Equations
[Free Registration/Login may be required to access all resource tools.] Learn how to work with linear equations in standard form.
Texas Instruments
Texas Instruments: Logistic Growth, Differential Equations, Slope Fields
In this Computer Algebra System (CAS) activity, students investigate differential equations analytically, graphically and numerically and see relationships between the three approaches.
Interactive Mathematics
Interactive Mathematics: Solving Systems Algebraically
Both the substitution and elimination methods are presented through detailed examples. Learn step by step how to find solutions to any linear system of two variables.
Interactive Mathematics
Interactive Mathematics: Algebraic Solutions of Systems
Nonlinear systems are solved using the algebraic methods of substitution and addition/subtraction. Learn how these methods work through detailed examples.
Texas Instruments
Texas Instruments: Linear Systems: Using Algebra
Students learn to solve a system of linear equations (2 equations with 2 variables) by substitution and elimination methods. They also review the definitions of consistent (independent and dependent) and inconsistent systems, and...
Purple Math
Purplemath: Systems of Linear Equations: Definitions
Covers the basic definitions involved in systems of linear equations.
Texas Instruments
Texas Instruments: Systems of Linear Equations
This set of questions pertains to systems of linear equations. Students are asked to determine the number of solutions and to find points of intersection. These are multiple choice problems with solutions included.
Saddleback College
Algebra2 Go: Beginning Algebra
The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Topic Summaries: Matrix Algebra
The topic summary outlines matrix algebra. Some topics reviewed are operations with matrices, matrix inverse, and algebra of matrices. The resource consists of definitions, notes, and examples.