Curated OER
Solving Verbal Problems using a System of Linear Equations
In this Algebra I/Algebra II activity, students solve word problems whose solution requires the use of a system of linear equations in two variables. The two page activity contains a combination of ten multiple choice and free...
Curated OER
Using a Graph to Solve a System of Linear Equations
In this Algebra I/Algebra II worksheet, students use graphing to solve a system of linear equations. The one page worksheet contains one multiple choice question. Answer is included.
Curated OER
System of Linear Equations - Word Problems
In this algebra instructional activity, students analyze word problems, define variables, set up a system of linear equations, and solve the system. There are 7 questions.
Other
Algebra.com: Linear Equation and System Solvers
Linear equations can be solved and graphed using this interactive site. This site allows the user to enter any linear equation in standard form and the y-intercept will be found through a step-by-step process. Systems of inequalities can...
National Council of Teachers of Mathematics
The Math Forum: Math Library Maple
This site from The Math Forum provides links to sites that relate to solving linear equations by using Maple and other techniques. This site contains on line text books for higer math courses.
Texas A&M University
Systems of Linear Equations an Introduction [Pdf]
Use this site to see how graphing and substitution are used to solve systems of equations. The examples have systems that have one, infinite, or no solutions. The site is set up to see the solutions step by step.
Texas Instruments
Texas Instruments: Solving Equations
Learn to use the TI-86 to solve many types of equations by following this lesson plan and activity. Included are keystroke instructions and calculator screenprints to guide students.
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: The Matrix of a System and Row Operations
The tutorial examines the matrix of a system and row operations. Students learn about the concepts through class notes, examples, and practice problems. Topics include a system of linear equations and augmented matrices. Review exercises...
Other
Morgan State: Linear Algebraic Equations and Matrices
This site gives information on linear equations and matrices. Among the topics discussed are the substitution method, Gauss-Jordan Elimination Method, matrix operations, matrix multiplication, and inverse matrices.
Purple Math
Purplemath: Systems of Linear Equations: Definitions
Covers the basic definitions involved in systems of linear equations.
Illustrative Mathematics
Illustrative Mathematics: A Rei, a Ced Cash Box
In this task, learners are asked to construct equations in two variables to determine whether a loose coin beside a ticket box belongs with the money collected for tickets. They must then explain their reasoning. Aligns with A-CED.A and...
Illustrative Mathematics
Illustrative Mathematics: A Rei Quinoa Pasta 3
For this problem, young scholars must determine how much of a quinoa-based gluten-free pasta is actually quinoa. They must study the ingredient list and set up linear equations to solve the problem. Aligns with A-REI.C.6.
Illustrative Mathematics
Illustrative Mathematics: 8.ee How Many Solutions?
Eighth graders are given a linear equation and instructed to find a second linear equation in order to make a system of equations that fits different criteria related to its possible solutions. Aligns with 8.EE.C.8.
Khan Academy
Khan Academy: Represent Linear Systems With Matrix Equations
Represent systems of two linear equations with matrix equations by determining A and b in the matrix equation A*x=b. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Represent Linear Systems With Matrices
Determine the matrix that represents a given system of linear equations. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 11 [Pdf]
The practice problem examines the elimination method for solving a system of linear equations. The graphs of the equations are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 12 [Pdf]
The practice problem examines the elimination method for solving a system of linear equations. The graphs of the equations are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 18 [Pdf]
Students solve a system of linear equations using the elimination method. The practice exercise is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 19 [Pdf]
The practice problem examines a system of linear equations. The math graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 20 [Pdf]
The practice problem examines a system of linear equations. The math graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 21 [Pdf]
The practice problem uses the addition method to solve a system of linear equations. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 22 [Pdf]
The practice problem uses the addition method to solve a system of linear equations. The handout is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 23 [Pdf]
Students label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 24 [Pdf]
Students label the graphs of two linear equations and then solve the system. The graphs are available in PDF format.