Chapter 2: Systems of Equations and Inequalities

After viewing a link, close the browser window to return to this page.
Some links are repeated for use with more than one lesson.

Please report broken links to Darin Brock.

The following links are applicable to the entire chapter.

http://education.yahoo.com/homework_help/math_help/problem_list?id=miniprecalcgt_2_1

This page contains practice problems for systems of equations as well as a step-by-step tutor for each problem.

http://www.explorelearning.com/index.cfm?CourseID=244&method=cResource.dspResourcesForCourse

This page contains several gizmos and activities for visualizing systems of equations and their solutions. This website requires Shockwave Player to run some of its features.

http://www.purplemath.com/modules/systlin1.htm

This page contains a detailed tutorial on systems of equations.

http://regentsprep.org/regents/math/math-topic.cfm?TopicCode=syslin

This page has links to each method of solving systems as well as some interactive practice.

http://freemathhelp.com/Lessons/Algebra_1_Solving_Systems_of_Equations_56k.htm

This page has a computer generated lecture and notes on solving systems of equations.

2.1 Solving Systems of Equations by Graphing

http://www.algebralab.org/studyaids/studyaid.aspx?file=Algebra1_7-1.xml

This page contains a tutorial on solving systems of linear equations by graphing.

http://mathbits.com/Mathbits/TISection/Algebra1/systems.htm

This page describes how to use a graphing calculator to solve systems of equations.

2.2 Solving Systems of Equations Algebraically

http://www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Linear-Equations-Solutions-Using-Substitution.topicArticleId-38949,articleId-38874.html

This site is a cliffsnotes example of solving equations using substitution.

http://www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Linear-Equations-Solutions-Using-Eliminations.topicArticleId-38949,articleId-38875.html

This site is a cliffsnotes version of solving equations using elimination.

2.3 Systems of linear Inequalities

http://www.ronblond.com/M11/LinProg/index.html

This page contains an applet for graphing linear inequalities. This website requires Java to run some of its features.

http://www.explorelearning.com/index.cfm?method=cResource.dspDetail&ResourceID=90

This page contains a gizmo for graphing linear inequalities.

2.4 Linear Programming

http://edhelper.com/algebra.htm

This page contains free printable practice worksheets on linear programming and other topics.

http://teachers.henrico.k12.va.us/math/hcpsalgebra2/3-6.htm

This page contains resources for linear programming lessons including power point presentations and practice.

2.5 Solving Systems of Equations in Three Variables

http://www.mathwarehouse.com/algebra/planes/systems/three-variable-equations.php

This page contains 3D representations of different types of solutions and a tutorial on solving them.