Introduction to Real Numbers - Concept

Concept Concept (1)

When analyzing data, graphing equations and performing computations, we are most often working with real numbers. Real numbers are the set of all numbers that can be expressed as a decimal or that are on the number line. Real numbers have certain properties and different classifications, including natural, whole, integers, rational and irrational.

Sample Sample Problems (2)

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Introduction to Real Numbers - Problem 1
|a| = { a if a ≥ 0
-a if a < 0
Problem 1
How to define the absolute value.
Introduction to Real Numbers - Problem 2


3 7
2 -4
5 5
Problem 2
How to define inequalities.
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