Painless Algebra

by Long, Lynette; Morehouse, Hank

• ISBN13: 9780764106767
• ISBN10: 0764106767
• Format: Paperback
• Copyright: 1998-09-01
• Publisher: Barrons Educational Series Inc

Summary

For students who are intimidated by all forms of math, here is a set of easy steps that lead to an understanding of elementary algebra. The author defines all terms, points out potential pitfalls in algebraic calculation, and makes problem solving a fun activity. New in this edition are painless approaches to understanding and graphing linear equations, solving systems of linear inequalities, and graphing quadratic equations. Barronas popular "Painless Series" of study guides for middle school and high school students offer a lighthearted, often humorous approach to their subjects, transforming details that might once have seemed boring or difficult into a series of interesting and mentally challenging ideas. Most titles in the series feature many fun-to-solve aBrain Ticklera problems with answers at the end of each chapter.

Table of Contents

Introduction	p. v
A Painless Beginning	p. 1
Mathematical Operations	p. 5
Zero	p. 16
Order of Operations	p. 19
Properties of Numbers	p. 24
Number Systems	p. 28
The Integers	p. 35
What Are the Integers?	p. 37
Which Is Greater?	p. 42
Adding Integers	p. 46
Subtracting Integers	p. 50
Multiplying Integers	p. 55
Dividing Integers	p. 58
What Sign Is the Answer?	p. 61
Word Problems	p. 63
Solving Equations with One Variable	p. 69
Defining the Terms	p. 71
Solving Equations	p. 73
Solving More Equations	p. 83
Word Problems	p. 90
Solving Inequalities	p. 101
Graphing Inequalities	p. 107
Solving Inequalities	p. 113
Word Problems	p. 122
Exponents	p. 131
Multiplying Exponents with Coefficients	p. 138
Adding and Subtracting Exponential Expressions	p. 141
Multiplying Exponential Expressions	p. 144
Dividing Exponential Expressions	p. 147
Raising to a Power	p. 150
Negative Exponents	p. 152
Word Problems	p. 156
Roots and Radicals	p. 163
Square Roots	p. 165
Cube Roots and Higher	p. 169
Negative Radicands	p. 174
Radical Expressions	p. 178
Word Problems	p. 197
Quadratic Equations	p. 205
Solving Quadratic Equations by Factoring	p. 214
The Quadratic Formula	p. 236
Word Problems	p. 245
Solving Systems of Equations	p. 251
Solving Linear Equations by Addition or Subtraction	p. 254
Solving Linear Equations by Substitution	p. 267
Solving Linear Equations by Graphing	p. 272
Word Problems	p. 286
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