Math Planet
Math Planet: The Elimination Method for Solving Linear Systems
Provides examples and a video lesson that illustrates how to use the elimination method to solve linear equations.
CK-12 Foundation
Ck 12: Algebra: Solve One Step Inequalities: Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] Solve inequalities by isolating the variable and graphing the solution.
CK-12 Foundation
Ck 12: Algebra: Linear Programming
[Free Registration/Login may be required to access all resource tools.] Given a set of constraints, graph and solve linear problems.
Math Planet
Math Planet: Solving Compound Inequalities
Provides an explanation, examples, and a video lesson all related to compound inequalities.
Oswego City School District
Regents Exam Prep Center: Systems of Linear Inequalities
Solving a system of linear inequalities is shown to be as easy as solving a system of linear equations! An example is explained before students are given several problems to complete on their own. Complete explanations of these are...
Math.com
Math.com: Equations and Inequalities: Solving Inequalities
Learners review how to solve inequalities. The tutorial consists of notes, examples, and practice exercises.
Khan Academy
Khan Academy: Systems of Inequalities Word Problems
Solve word problems that involve systems of linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
CK-12 Foundation
Ck 12: Algebra: Testing Solutions for Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers testing ordered pairs to see if they are solutions to a linear inequality in two variables.
Purple Math
Purplemath: Solving Quadratic Inequalities: Concepts
Introduces a conceptual basis for solving quadratic inequalities, looking at linear inequalities and using a knowledge of what quadratic graphs look like.
Oswego City School District
Regents Exam Prep Center: Linear Inequalities
A complete review of linear inequalities interval notation, and compound inequalities. Several applications of the compound inequalities are given along with solutions and explanations. Links to sites assisting with graphing calculator...
Purple Math
Purplemath: Systems of Linear Inequalities
This Purplemath lesson describes how to solve a system of linear inequalities by graphing.
Texas Instruments
Texas Instruments: Linear Inequalities: Using Algebra
Students learn to solve inequalities using one and two steps. They review the properties of inequalities.
CK-12 Foundation
Ck 12: Algebra: Linear Programming
[Free Registration/Login may be required to access all resource tools.] Solve problems involving systems of linear inequalities. The tutorial includes examples, videos, and practice questions.
Math Planet
Math Planet: The Substitution Method for Solving Linear Systems
A way to solve a linear system algebraically is to use the substitution method. The substitution method functions by substituting the one y-value with the other. This resource explains this method by showing an example along with a video.
Paul Dawkins
Paul's Online Notes: Algebra: Solving Equations and Inequalities
Students learn how to solve equations and inequalities. Topics examined are linear equations, quadratic equations, linear inequalities, and absolute value inequalities. The class notes are available in pdf format.
Richland Community College
Rcc: Solving Inequalities Algebraically and Graphically
Straightforward explanations on how to solve inequalities. Includes linear inequalities, double inequalities, absolute value inequalities, polynomial inequalities, and rational inequalities.
CK-12 Foundation
Ck 12: Algebra: Consistent and Inconsistent Linear Systems
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems with substitution when there is no or infinitely many solutions.
CK-12 Foundation
Ck 12: Algebra: Linear Systems With Addition or Subtraction
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by adding the two equations together to eliminate a variable.
CK-12 Foundation
Ck 12: Algebra: Determining the Type of Linear System
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system by graphing when there is no solution or infinitely many solutions.
CK-12 Foundation
Ck 12: Algebra: Solving Systems by Multiplying Both Equations
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving systems by multiplying both equations by a constant to eliminate a variable.
CK-12 Foundation
Ck 12: Algebra: Checking a Solution for a Linear System
[Free Registration/Login may be required to access all resource tools.] This lesson covers determining if an ordered pair is a solution to a system of linear equations. Students watch a video tutorial, explore guided notes and attempt...
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...
Other
Quick Math: Graph Equations and Inequalities
This resource is from the QuickMath website that illustrates how to graph equations, inequalities and a system.
Purple Math
Purplemath: Solving Inequalities: An Overview
A discussion on how to solve linear and nonlinear inequalities is presented. Both the Test Method and the Factor Method of checking positive/negative intervals are included as part of the discussion.