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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 . . . . . . ....