Texas Education Agency
Texas Gateway: Linear Inequalities
This activity provides an opportunity for students to examine how to find solutions to linear inequalities by graphing.
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.
Paul Dawkins
Paul's Online Notes: Algebra: Linear Inequalities
Detailed math tutorial features notes and examples that illustrate how to solve linear inequalities (both single and double) and also interval notation.
Math Planet
Math Planet: Pre Algebra: Graphing Linear Inequalities
Discover how to graph linear inequalities by taking a look at an example and a video lesson.
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.
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.
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....
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.
TED Talks
Ted: Ted Ed: How in Vitro Fertilization Works
Infertility affects 1 in 8 couples worldwide. But in the last 40 years, more than 5 million babies have been born using in vitro fertilization (IVF). This video and guide detail the science behind making a baby in a lab. [6:43]
A&E Television
History.com: How Interstate Highways Gutted Communities and Reinforced Segregation
America's interstate highway system cut through the heart of dozens of urban neighborhoods. Congress approved the Federal-Aid Highway Act of 1956, authorizing what was then the largest public works program in U.S. history. It promised to...
Library of Congress
Loc: Dayton C. Miller Flute Collection
More than 100 of Miller's 1,650 flutes and related flute artifacts/memorabilia, are available for viewing online. Catalog information and images of the instruments are available as well.
Travel Document Systems
Tds: Chad: History
The history of Chad is rich and began more than 3 million years ago. Read about its early history, but there is emphasis on its recent history since the 1970's civil wars. Information is from the U.S. State Dept. Background Notes.
Travel Document Systems
Tds: Georgia: People
In this article you can read about the people of Georgia, a place having more than 2500 years of recorded history. Find a chart at the end of the article that gives you quick facts about the country. Information for the CIA World Fact Book.
National High Magnetic Field Laboratory
Magnet Academy: Nikola Tesla
Awarded more than 100 patents over the course of his lifetime, Nikola Tesla was a man of considerable genius and vision. He was reportedly born at exactly midnight during an electrical storm, an intriguing beginning for a man who would...