Website
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Algebra.com: Linear Equation and System Solvers

For Students 9th - 10th Standards
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...
Unit Plan
Texas Education Agency

Texas Gateway: Solving Linear Inequalities

For Students 9th - 10th Standards
The student will represent linear inequalities using equations, tables, and graphs. The student will solve linear inequalities using graphs or properties of equality, and determine whether or not a given point is a solution to a linear...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Programming

For Students 9th - 10th
[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.
Activity
Texas Instruments

Texas Instruments: Solving Systems of Linear Equations by Elimination

For Teachers 9th - 10th
Students will solve systems of linear equations by elimination.
Interactive
Shodor Education Foundation

Shodor Interactivate: Linear Inequalities

For Students 9th - 10th Standards
Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
Activity
Texas Instruments

Texas Instruments: Linear Systems: Using Algebra

For Teachers 9th - 10th Standards
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...
Activity
Texas Instruments

Texas Instruments: Linear Systems: Using Graphs and Tables

For Teachers 9th - 10th Standards
Students learn to locate the real number solution of a system of linear equations (two equations and two variables) with the help of tables and graphs. They also learn to graphically illustrate the types of solutions expected for a...
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Linear Inequalities

For Students 9th - 10th Standards
Detailed math tutorial features notes and examples that illustrate how to solve linear inequalities (both single and double) and also interval notation.
Unit Plan
Texas Education Agency

Texas Gateway: Formulating Systems of Inequalities

For Students 9th - 10th
Given a contextual situation, the student will formulate a system of two linear inequalities with two unknowns to model the situation.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Inequalities in Two Variables

For Students 10th - 12th Standards
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing inequalities in two variables.
Unknown Type
Khan Academy

Khan Academy: Algebra: Constraint Solutions of Systems of Inequalities

For Students 9th - 10th Standards
Find the range of values of one variable that corresponds to a given value of the other variable in a system of two-variable linear inequalities. Students receive immediate feedback and have the opportunity to try questions repeatedly,...
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Systems Using Substitution

For Students 10th - 12th
[Free Registration/Login may be required to access all resource tools.] This lesson covers solving a system of linear equations using substitution.
Whiteboard
ClassFlow

Class Flow: Applications of Linear Systems

For Teachers 9th - 10th Standards
[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.
Whiteboard
ClassFlow

Class Flow: Systems of Linear Inequalities

For Teachers 9th - 10th
[Free Registration/Login Required] This flipchart shows students how to solve systems of linear inequalities.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Determining the Type of Linear System

For Students 10th - 12th
[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.
eBook
Math Planet

Math Planet: Solving Linear Inequalities

For Students 9th - 10th Standards
Provides examples and a video lesson that illustrates how to solve linear inequalities.
eBook
Math Planet

Math Planet: Pre Algebra: Graphing Linear Inequalities

For Students 9th - 10th Standards
Discover how to graph linear inequalities by taking a look at an example and a video lesson.
Unit Plan
Khan Academy

Khan Academy: Analyzing Structure With Linear Inequalities

For Students 9th - 10th Standards
Students can practice analyzing structure with linear inequalities with these multiple-choice practice problems.
Unknown Type
Khan Academy

Khan Academy: Solutions of Systems of Inequalities

For Students 9th - 10th Standards
Check whether an ordered pair is a solution of a system of two-variable linear inequalities.
Lesson Plan
Alabama Learning Exchange

Alex: Systems of Equations: What Method Do You Prefer?

For Teachers 9th - 10th Standards
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...
Activity
Texas Instruments

Texas Instruments: Linear Inequalities: Using Graphs and Tables

For Teachers 9th - 10th Standards
Students learn to estimate the solution set, in real numbers, of a linear inequality using graphical methods on a number line and on a Cartesian (x-y) graph. They also learn how to solve inequalities using tables.
Unit Plan
Khan Academy

Khan Academy: Lesson: Solving Linear Equations and Linear Inequalities

For Students 9th - 10th Standards
In this lesson, we'll learn to: Solve linear equations, Solve linear inequalities,and Recognize the conditions under which a linear equation has one solution, no solution, and infinitely many solutions.
Lesson Plan
Other

Nearpod: Two Variable Inequalities

For Teachers 9th - 10th
In this activity, students will graph linear inequalities and determine the solution set.
Unit Plan
CK-12 Foundation

Ck 12: Algebra: Linear Inequalities in Two Variables

For Students 8th
[Free Registration/Login may be required to access all resource tools.] Graph linear inequalities to find solutions.