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: Linear Programming
[Free Registration/Login may be required to access all resource tools.] Given a set of constraints, graph and solve linear problems.
Government of Alberta
Learn Alberta: Linear Programming Graph
This interactive Java applet allows the user to construct up to 5 linear inequalities and view the graph of the soultion.
ClassFlow
Class Flow: Linear Inequalities
[Free Registration/Login Required] This flipchart shows students how to graph linear inequalities.
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.
Texas Education Agency
Texas Gateway: Formulating Systems of Inequalities
Given a contextual situation, the student will formulate a system of two linear inequalities with two unknowns to model the situation.
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities.
Khan Academy
Khan Academy: Constraint Solutions of Systems of Inequalities
Find the range of values of one variable thatcorresponds to a given value of the other variable in a system of two-variable linear inequalities.
Khan Academy
Khan Academy: Two Variable Inequalities Word Problems
Solve word problems that involve linear inequalities in two variables.
ClassFlow
Class Flow: Applications of Linear Systems
[Free Registration/Login Required] Students will learn how to use the best method to solve a system of linear equations and will use systems of linear equations to model real-life problems.
Texas Instruments
Texas Instruments: Inequalities, They Are Not Just Linear Anymore!
Students study quadratic relationships and explore the process of graphing quadratic inequalities and systems of quadratic inequalities. They will solve these inequalities algebraically and graph them on a coordinate plane.
Khan Academy
Khan Academy: Two Variable Inequalities Word Problems
Solve word problems that involve linear inequalities in two variables. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Analyzing Structure With Linear Inequalities
Given some information about a real-world context, analyze expressions containing unknown variables that model that context.
Math Medics
S.o.s. Math: Algebra
This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...
Hofstra University
Hofstra University: Linear Programming
This lesson is a review of problems with systems of inequalities. Many of the questions involve real world scenarios as word problems which the reader must decipher and resolve.
CK-12 Foundation
Ck 12: Algebra: Systems Using Substitution
[Free Registration/Login may be required to access all resource tools.] Solve linear systems by using substitution.
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,...
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...
Math Planet
Math Planet: Algebra 1: Graphing Linear Systems
Gain an understanding of how to solve linear equations by viewing an example and a video lesson. [3:01]
Khan Academy
Khan Academy: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Graphs of Inequalities
Graph two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
University of Regina (Canada)
University of Regina: Math Central: Graphing a System of Inequalities
A solution is presented to a student-submitted problem. The problem involves graphing and finding the solution set to a system of inequalities.