Real math help.
How Do You Graph an Inequality or an Infinite Set on a Number Line?
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Number lines are really useful in visualizing an inequality or a set. In this tutorial, you'll see how to graph both. Take a look!
Background Tutorials
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Introduction to Algebraic Expressions
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What is a Variable?
You can't do algebra without working with variables, but variables can be confusing. If you've ever wondered what variables are, then this tutorial is for you!
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Sets and Number Lines
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What's a Set?
This tutorial will help you understand what a set is, and the different kinds of sets that you may see when you're working on algebra problems :)
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Inequalities and Comparing Real Numbers
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What's an Inequality?
Inequalities come up all the time when you're working algebra problems. In this tutorial you'll learn what an inequality is, and you'll see all the common inequality symbols that you're likely to see :)
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Further Exploration
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Sets and Number Lines
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How Do You Graph a Set on a Number Line?
Number lines are great ways to represent a group of numbers, and in this tutorial you'll see how to graph a group of numbers on a number line
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Inequalities and Comparing Real Numbers
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How Do You Graph the Intersection of Two Inequalities?
Number lines help make graphing the intersection of two inequalities a breeze! This tutorial shows you how to graph two inequalities on the same number line and then find the intersection. Take a look!
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How Do You Graph the Union of Two Inequalities?
Number lines help make graphing the union of two inequalities a breeze! This tutorial shows you how to graph two inequalities on the same number line and then find the union. Check it out!
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