CK-12 Foundation
Ck 12: Algebra: Linear Inequalities in Two Variables
[Free Registration/Login may be required to access all resource tools.] Solve and graph linear inequalities in two variables on the coordinate plane.
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]
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...
CK-12 Foundation
Ck 12: Algebra: Graphs of Systems of Linear Inequalities
[Free Registration/Login may be required to access all resource tools.] This lesson covers graphing systems of linear inequalities to find the solution area. Students watch videos, review guided notes and attempt practice problems.
Other
Quickmath.com: Inequality Graphs
This interactive site will allow you to input anywhere from 1 to 8 inequalities. Once entered, a graph is produced showing the solution. Each graph is shown individually; a final graph shows all on the same coordinate plane.
Alabama Learning Exchange
Alex: Focusing on Graphs
In this lesson, learners will solve systems of linear equations by graphing. Systems of linear equations are two or more linear equations together.
Alabama Learning Exchange
Alex: When Will Mr. "X" Meet Miss "Y"?
During this lesson, students will solve systems of equations graphically. Students will graph various equations individually using graphing paper. They will work with a partner to solve several system of equation problems and then graph...
Cool Math
Coolmath: Systems of Equations Solving by Graphing
Reference material and practice problems solving a system of equations by graphing.
Shodor Education Foundation
Shodor Interactivate: Linear Inequalities
Students create linear inequalities and systems of linear inequalities on a coordinate plane. This is like a graphing calculator with advanced viewing options.
Shodor Education Foundation
Shodor Interactivate: Graphit
Create graphs of functions and sets of ordered pairs on the same coordinate plane. This is like a graphing calculator with advanced viewing options.
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: Solutions of Systems of Inequalities
Check whether an ordered pair is a solution of a system of two-variable linear inequalities.
Khan Academy
Khan: Lesson 5: Relationships Among Linear Equations, Lines in Coordinate Plane
This lesson focuses on the relationship between algebraic, graphical, and contextual expressions of linear equations.
Khan Academy
Khan Academy: Lesson: Solving Linear Equations and Linear Inequalities
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.
Khan Academy
Khan Academy: Lsn 13: Systems of Equations, Algebraic and Graphical Representations
Lesson 3 of 4 for Passport to Advanced Math. Students will solve systems of equations in two variables in which one equation is linear and the other equation is quadratic or another nonlinear equation; relate properties of the function f...
Cuemath
Cuemath: Linear Equations
A comprehensive guide for learning all about linear equations with definitions, how to solve them, solved examples, and practice questions.
Quia
Ixl Learning: Linear Equations
Brush up on your math skills relating to linear equations then try some practice problems to test your understanding.
Free Math Help
Free Math Help: Systems of Linear Equations
The Algebra II session explores systems of linear equations. Students learn how to solve the problems algebraically and graphically.
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.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Line Problems
This site answers many general questions about linear equations and their graphs. A student posed several questions to Dr. Math regarding lines and their equations. Question number 4 is about the equation of a horizontal line and Dr....
Math Is Fun
Math Is Fun: Explore the Properties of a Straight Line Graph
The interactive learning activity investigates the properties of a straight line graph.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Iniciacion a La Programacion Lineal
In Spanish. Practice how to find the value of linear functions at the point of intersection and learn how to locate the maximum and minimum value with this interactive activity.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Ecuaciones Y Sistemas De Ecuaciones
In Spanish. Practice how to solve system of equations graphically with this interactive activity.
Math Graphs
Houghton Mifflin: Math Graphs: Elimination Method 13 [Pdf]
The practice exercise has students solve a system of linear equations and identify the graphs of the equations. The graphs are available in PDF format.