University of St. Andrews (UK)
University of St. Andrews: Gabriel Cramer
Information about the life of Gabriel Cramer (1704-1752 CE), 18th century mathematician credited with "Cramer's Rule," though "Cramer was certainly not the first to give this rule."
Oswego City School District
Regents Exam Prep Center: Linear Quadratic Systems
Resources to use when planning instruction on linear-quadratic systems. Find lessons on solving systems algebraically and graphically, a practice quiz with solutions, and a worksheet through which students investigate and solve systems.
CK-12 Foundation
Ck 12: Interactive Middle School Math 8 for Ccss
A complete CCSS Grade 8 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
Concord Consortium
Seeing Math: System Solver
Deepen your understanding of systems of linear equations with the System Solver. This interactive offers unique opportunity to perform operations on a system and immediately observe the graphic, tabular, and symbolic results of the...
Houghton Mifflin Harcourt
Holt, Rinehart and Winston: Homework Help Independent Practice: Solving Systems of Equations
Get independent practice solving and writing systems of equations. Each incorrect response gets a text box explanation and another try. Correct responses are confirmed.
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.
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.
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: Tracing Paper Inequalities
In this activity, students will graph systems of linear inequalities in two variables in the Cartesian coordinate plane and find their solutions.
Texas Instruments
Texas Instruments: Glencoe Algebra 1: Graphing Calculator Investigation Systems
Students will solve systems of equations.
Texas Instruments
Texas Instruments: Math Today: Red Meat Consumption Continues to Drop
The USA TODAY Snapshot, "Red meat consumption continues to drop," will allow students to work with two sets of data over the same time period. This activity will show how a system of equations can be used to answer questions about the...
Texas Instruments
Texas Instruments: Solving Systems With Quadratic Equations: Systems of Conics
In this activity, students will plot the graphs of systems of equations and determine the number of real solutions of the system. Then find the solution of the system algebraically.
Texas Instruments
Texas Instruments: Review of Systems of Equations
This is a LearningCheck document that review systems of equations. It involves vocabulary such as consistent and independent, as well as various methods for finding a solution.
Texas Instruments
Texas Instruments: Solving a System of Two Equations Graphically
This video tutorial shows you how to find the solution of two equations by using the Intersect command on the graph screen.
Texas Instruments
Texas Instruments: Systems Solutions
Students will be given a graph of a line and must send equations that complete a system and create specific solutions.
Texas Instruments
Texas Instruments: Systems of Equations in Algebra I
This activity will help students find solutions to systems of equations that they will see in Algebra I.
Texas Instruments
Texas Instruments: Getting Started With the Ti Navigator: Quadratic Equations
This lesson introduces students to Activity Center and is intended to help students write systems of equations in standard form in slope intercept form to solve the system using tables and graphs.
Texas Instruments
Texas Instruments: Systems of Equations
Use this LearningCheck to practice solving Systems of Equations.
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.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Sistemas De Ecuaciones Lineales
In Spanish. In this interactive unit learn how to identify, graph and solve linear equations with two unknowns.
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.
J Coffman
Joseph Coffman's Lecture Notes: Graphing Systems of Equations
The lesson explores graphing systems of equations. Topics discussed are systems of simultaneous equations, infinite number of solutions, consistent systems, and inconsistent systems. Examples with detailed solutions and an assessment are...
Alabama Learning Exchange
Alex: Systems of Equations: What Method Do You Prefer?
The purpose of this lesson is to help students 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...
Other
Hsor.org: Frankfurter High: Hot Dog Sales
Determine the number of hot dogs needed in order to make a profit with little waste. Adobe required.