Lesson 1 Commentary

At the beginning of the study of a subject, it is customary to review all the language and basic definitions used by that subject. This is also true in the study of algebra, and the first three lessons of this course will be spent reviewing this necessary background material.

During the first lesson we will be covering the following topics:

• Set Notation
• Union of Sets
• Number Systems
• The Real Number Line
• Absolute Value
• Operations with Real Numbers
• Multiplication/Division
• Division by Zero
• Fractions- Addition/Multiplication/Division
• Exponential Expression

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