Equations and Inequalities

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Studying equations and inequalities? You're in the right place. We've collected dozens of free videos, step-by-step tutorials, and online study tools to help you learn about quadratic inequalities, interval notation, and more.
A helpful scientific calculator that runs in your web browser window.

In this video, Salman Khan of Khan Academy shows you how to solve inequalities.

Excellent site showing examples of algebra, trig, calculus, differential equations, and linear algebra.

How to solve quadratic equations using the completing the square method.

Explains how to use the FOIL method of multiplying.

An introduction to how to solve word problems

How to solve equations with absolute value in variables

The perfect study site for high school, college students and adult learners. Get help to do your homework, refresh your memory, prepare for a test, ....

Interactive Page with rules for working with inequalities

In this Early Edge video lesson, you'll learn more about Graphing Inequalities, so you can be successful when you take on high-school Math & Algebra.

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