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Precalculus Prerequisites
a.k.a. ‘Chapter 0’
by
Carl Stitz, Ph.D.
Lakeland Community College
Jeff Zeager, Ph.D.
Lorain County Community College
August 16, 2013
Table of Contents
0 Prerequisites
0.1
Basic Set Theory and Interval Notation . . . . . . . . . . . .
0.1.1 Some Basic Set Theory Notions . . . . . . . . . . .
0.1.2 Sets of Real Numbers . . . . . . . . . . . . . . . . .
0.1.3 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.1.4 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.2
Real Number Arithmetic . . . . . . . . . . . . . . . . . . . .
0.2.1 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.2.2 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.3
Linear Equations and Inequalities . . . . . . . . . . . . . . .
0.3.1 Linear Equations . . . . . . . . . . . . . . . . . . . .
0.3.2 Linear Inequalities . . . . . . . . . . . . . . . . . . .
0.3.3 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.3.4 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.4
Absolute Value Equations and Inequalities . . . . . . . . . .
0.4.1 Absolute Value Equations . . . . . . . . . . . . . . .
0.4.2 Absolute Value Inequalities . . . . . . . . . . . . . .
0.4.3 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.4.4 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.5
Polynomial Arithmetic . . . . . . . . . . . . . . . . . . . . .
0.5.1 Polynomial Addition, Subtraction and Multiplication.
0.5.2 Polynomial Long Division. . . . . . . . . . . . . . . .
0.5.3 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.5.4 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.6
Factoring . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.6.1 Solving Equations by Factoring . . . . . . . . . . . .
0.6.2 Exercises . . . . . . . . . . . . . . . . . . . . . . . .
0.6.3 Answers . . . . . . . . . . . . . . . . . . . . . . . .
0.7
Quadratic Equations . . . . . . ....