Oak Ridge National Laboratory
Ornl: 7 Gaussian Elimination on Band Matrices
This site gives an example of solving a system of equations with the use of Gaussian Elimination.
CK-12 Foundation
Ck 12: Algebra: Linear Systems: Solve by Elimination Study Guide
This comprehensive study guide highlights the main terms and formulas needed to review linear systems, specifically solving by elimination. Examples are included.
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.
McGraw Hill
Glencoe Mathematics: Quiz on Solving Systems of Linear Equations
Learners show comprehension of advanced mathematical concepts in Algebra II. The questions check understanding on solving systems of linear equations. Topics include solving systems using graphing, substitution, and elimination methods.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 3 [Pdf]
The example explores using elimination to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 4 [Pdf]
The example explores using elimination to solve a system of linear equations. The resource consists of an enlarged printable version of the two graphs available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 5 [Pdf]
Learners solve a system of linear equations using elimination. The resource is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 6 [Pdf]
Learners solve a system of linear equations using elimination. The resource is available in PDF format.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Multiplication
[Free Registration/Login may be required to access all resource tools.] Solve systems of linear equations that require multiplication and addition or subtraction to eliminate one of the variables.
Khan Academy
Khan Academy: Systems of Equations With Elimination
Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out).
Khan Academy
Khan Academy: Systems of Equations With Elimination Challenge
Solve systems of equation with multi-step elimination (e.g., a manipulation is needed in order for x-values or y-values to cancel each other out).
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.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 25 [Pdf]
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 26 [Pdf]
Two equations are simplified by adding them or subtracting them to solve the linear equations. The practice problem is available in PDF format.
Wolfram Research
Wolfram Math World: Gaussian Elimination
This site provides an example of Guassian Elimination and concludes with a specific example.
ClassFlow
Class Flow: Solving Systems Using Elimination
[Free Registration/Login Required] This flipchart shows students how to solve systems of linear equations using elimination.
Texas A&M University
Wtamu Virtual Math Lab: College Algebra: Systems of Nonlinear Equations
Learn how to solve a system of nonlinear equations using the substitution and the elimination methods. This tutorial offers definitions, problems and step-by-step solutions, and practice exercises for you to complete and check.
J Coffman
Joseph Coffman's Lecture Notes: Solving Systems of Equations Algebraically
The lesson explores solving systems of equations algebraically. Topics discussed are the elimination method, substitution method, addition property, and special cases. Examples with detailed solutions and an assessment are included.
McGraw Hill
Glencoe Mathematics: Quiz on Solving Systems of Equations in Three Variables
The online assessment demonstrates knowledge of advanced mathematical concepts in Algebra II. The questions test students on solving systems of equations in three variables. Topics include solving systems using the substitution and...
Texas A&M University
Wtamu Virtual Math Lab: Solving Systems of Linear Equations in Three Variables
This tutorial will show you how to solve a system of linear equations in three variables by using the elimination method. Complete with definitions, example problems with step-by-step solutions, and practice exercises for you to complete...
Stefan Warner and Steven R. Costenoble
Finite Mathematics & Applied Calculus: Systems of Two Linear Equations in Two Unknowns
The tutorial examines systems of two linear equations in two unknowns. Students learn about the concepts through class notes, examples, and practice problems. Topics include elimination method, infinitely many solutions, and no...
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.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 7 [Pdf]
Students label two different linear graphs and solve the system of equations. The exercise is available in PDF format.
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