Illustrative Mathematics
Illustrative Mathematics: A Rei Solution Sets
For this task, students are shown the graphs of two equations, with areas bounded by their lines and intersections shaded in different colors. They are asked to write a system of equations or inequalities for each shaded area and explain...
Texas Instruments
Texas Instruments: Linear Programming Cookie Dough Kits
In this lesson students explore the concept of linear programming. The students model a real life situation with a system of inequalities and then use their graphing calculators to search for a maximum value for an objective function....
Khan Academy
Khan Academy: Equations & Inequalities Word Problems
HSA-CED.A.1: Interactive resource which create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions....
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Graphing Systems of Inequalities
Nineteen problems present a variety of practice solving linear systems by graphing systems of inequalities. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click...
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.
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.
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Systems of Inequalities
Hotmath provides 21 practice problems dealing with systems of equations and inequalities. Each of the practice problems include a step-by-step guide for solving their algebraic problem.
Other
Asl: Heart of Algebra: Chapters 19 21 (Sat and Psat Prep)
Chapter 19 Heart of Algebra focuses on the mastery of linear equations, systems of linear equations, and linear functions. The ability to analyze and create linear equations, inequalities, and functions is essential for success in...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Programacion Lineal
In Spanish. In this interactive unit learn how to solve graphically a system of linear inequalities with two unknowns and apply it to everyday life application.
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.
Khan Academy
Khan Academy: Solutions of Inequalities: Algebraic
Given a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Khan Academy
Khan Academy: Solutions of Inequalities Graphically
Given the graph of a two-variable linear inequality, check whether a given pair of values is a solution of the inequality. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or...
Other
Hsor.org: Frankfurter High: Hot Dog Sales
Determine the number of hot dogs needed in order to make a profit with little waste. Adobe required.
Other
Hsor.org: High Step Shoes: Product Mix
Determine the profits and the efficiency of the shoe company.
Khan Academy
Khan Academy: Number of Solutions to Equations Challenge
Given a linear equation with missing values, determine appropriate values in order to have one, zero, or infinite solutions. For example, complete the equation -11x + 4 = __x + __ so that it has no solutions. Students receive immediate...
Other
Hsor.org: Latisha Develops an Investment Plan: Decision Variables
Latisha is trying to decide on an investment plan that will make the most money, help her determine the best plan.
Other
Hsor.org: Pizza Pi: Work Force
High School Operations Research Math Modules - Applied Mathematics for decision making in industry and government
Khan Academy
Khan Academy: Two Variable Inequalities From Their Graphs
Fit an algebraic two-variable inequality to its appropriate graph. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
Saddleback College
Algebra2 Go: Beginning Algebra
The resource consists of comprehensive notes, videos, and worksheets through which students can review algebra concepts.
Richland Community College
Richland Community College: Math 116 Lecture Notes
This site from the Richland Community College provides the detailed lecture notes to a college algebra course, complete with equations and definitions. Content ranges from "functions and their graphs" to "conics and parametric equations."
Khan Academy
Khan Academy: The Sat Math Test: Heart of Algebra
Take a closer look at the SAT Math Test. Math questions on the test fall into different categories called "domains." One of these domains is Heart of Algebra. It focuses strongly on algebra -- especially on the areas of the subject that...
Other
University of Wisconsin: Basic Algebra
This college site offers a variety of problems and answers. Problems are divided into topic areas for easy access. Also offers quizzes with each topic.