Hi, what do you want to do?
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 Medics
S.o.s. Math: Gaussian Elimination
In this lesson, the Gaussian Elimination method is used to solve systems of linear equations. Provides several formulas and examples for understanding.
McGraw Hill
Glencoe Mathematics: Online Study Tools: Self Check Quiz on Linear Equations
Students show comprehension of advanced mathematical concepts in Algebra I. The questions check understanding on solving systems of linear equations. Techniques included are substitution, elimination, and graphing.
Wolfram Research
Wolfram Mathworld: Gauss Jordan Elimination
Mathworld provides a three step explanation of Gauss-Jordan elimination. To help you better understand the process, you can click on any of the highlighted terms for definitions.
Other
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
Texas A&M University
Wtamu Virtual Math Lab: Intermediate Algebra
This site is a tutorial for students in algebra 2 or for those who need a refresher. The site has explanations, definitions, examples, practice problems and practice tests are found covering topics such as linear equations, graphing,...
Math Medics
S.o.s. Math: Systems of Equations in 2 Variables
Discusses how to solve systems of equations in two variables by reviewing ans showing examples of the four methods of solving linear equations: substitution, elimination, matrices, and graphing.
Paul Dawkins
Paul's Online Notes: Augmented Matrices
Here are good examples of the Gauss-Jordan elimination method to solve systems of equations.
Khan Academy
Khan Academy: Algebra: Equivalent Systems of Equations
Determine whether a couple of given systems of equations are equivalent or not to a third given system. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Alabama Learning Exchange
Alex: Systems of Equations: What Method Do You Prefer?
The purpose of this lesson is to help young scholars apply math concepts of solving systems of equations to real life situations. The students will use the three methods of graphing, substitution, and elimination to solve the system of...
Alabama Learning Exchange
Alex: A Slice of the Pie
Students will gain knowledge on how to recognize and generate simple equivalent fractions. They will learn the criss cross method of checking to see if their process of elimination is accurate in naming an equivalent fraction. Students...
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...
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...
Curated OER
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
Curated OER
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
Curated OER
Uww: Gauss Jordan Method
An explanation is provided regarding Gauss-Jordan method, along with a thorough example showing every step from the original system of equations to the final solution.
University of Georgia
University of Georgia: Slope of Lines
This site provides a detailed unit on finding the slope of lines that investigates methods for solving systems of equations. Good lesson plan for class.
University of Cambridge
University of Cambridge: Nrich: Read This Page
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
Texas Instruments
Texas Instruments: Numb3 Rs: Now You See It, Now You Don't
Based off of the hit television show NUMB3RS, this lesson is an introduction to a "different" type of coding, called steganography. In Steganography, images (or text) are split into layers, and then distorted in such a way so as to...
Wolfram Research
Wolfram Math World: Determinant Expansion by Minors
This MathWorld site explains the technique for finding the determinant using minors. The site also suggests to use this method only on small matrices, giving a link to Guassian elimination for the alternative(larger matrices.) The site...
University of Cambridge
University of Cambridge: Nrich: Make 100
On this one page website sharpen your logic and problem solving skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Magic Triangle
Use your problems solving skills to make everything add up correctly for this challenge. The solution is right at this one page website.
University of Cambridge
University of Cambridge: Nrich: Butterfly Flowers
This one page website offers a challenge that will require you to use your problem solving skills. There are teacher tips and the solution available to help.