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E-grāmata: Easy Algebra Step-by-Step, Third Edition

  • Formāts: 304 pages
  • Izdošanas datums: 30-Sep-2022
  • Izdevniecība: McGraw-Hill Education
  • Valoda: eng
  • ISBN-13: 9781264879571
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  • Formāts: 304 pages
  • Izdošanas datums: 30-Sep-2022
  • Izdevniecība: McGraw-Hill Education
  • Valoda: eng
  • ISBN-13: 9781264879571
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This step-by-step approach helps you learn algebra quickly and easily!

For many students—whether they're kids in middle school or adults returning to college—algebra is a difficult subject that only gets tougher as more concepts are learned. That's why Easy Algebra Step-by-Step, Third Edition is so effective at helping you succeed where other, drill-heavy guides fail. Using an original, step-by-step approach, this write-in workbook gives you a solid foundation in the basics—the fastest, easiest way to learn algebra.

You'll learn essential concepts first, allowing you to grasp the subject almost immediately. You'll then gradually progress to more challenging skills, learning how to solve practical problems more easily with the help of clear, step-by-step instructions. Learning the key concepts in order (e.g., learning rational/irrational numbers before roots and radicals, exponents, and so on) ensures that you'll get a solid foundation before moving on. Exercises for each section, complete with detailed, worked-out solutions, further helps you acquire the knowledge and skills you need to solve algebraic problems with confidence.

  • Clear explanations break down concepts into easy-to-understand steps
  • Stay-in-step "pop-ups" offer helpful advice and cautions against common errors
  • Step-it-up skill-building exercises link practice to the core steps already presented
  • Clear and concise explanations to the problems throughout
  • Fully updated to include current references

Preface ix
1 Numbers of Algebra
1(13)
Natural Numbers, Whole Numbers, and Integers
1(3)
Rational, Irrational, and Real Numbers
4(4)
Properties of the Real Numbers
8(6)
2 Computation with Real Numbers
14(18)
Comparing Numbers and Absolute Value
14(3)
Addition and Subtraction of Signed Numbers
17(9)
Multiplication and Division of Signed Numbers
26(6)
3 Roots and Radicals
32(12)
Squares, Square Roots, and Perfect Squares
32(4)
Cube Roots and nth Roots
36(3)
Simplifying Radicals
39(5)
4 Exponentiation
44(14)
Exponents
44(1)
Natural Number Exponents
45(3)
Zero and Negative Integer Exponents
48(5)
Unit Fraction and Rational Exponents
53(5)
5 Order of Operations
58(137)
Grouping Symbols
58(2)
Pemdas
60(135)
19 Basic Function Concepts
195(10)
Representations of a Function
195(2)
Terminology of Functions
197(4)
Some Common Functions
201(4)
20 Systems of Equations
205(8)
Solutions to a System of Equations
205(1)
Solving a System of Equations by Substitution
206(2)
Solving a System of Equations by Elimination
208(2)
Solving a System of Equations by Graphing
210(3)
21 Signal Words and Phrases
213(12)
Common Signal Words and Phrases for Addition
213(2)
Common Signal Words and Phrases for Subtraction
215(2)
Common Signal Words and Phrases for Multiplication
217(2)
Common Signal Words and Phrases for Division
219(2)
Common Signal Words and Phrases for Equality
221(4)
22 Word Problems
225(24)
Algebraic Problem-Solving Process
225(2)
Be Careful with Units
227(1)
Age Relationships
227(2)
Consecutive Numbers
229(2)
Ratios
231(1)
Mixtures
232(3)
Coins
235(2)
Rate-Time-Distance
237(1)
Work
238(2)
Percentage
240(3)
Simple Interest
243(1)
Number Relationships
244(2)
Geometric Shapes
246(3)
Appendix: Measurement Units and Conversions 249(2)
Answer Key 251(32)
Index 283
Sandra Luna McCune, PhD, is Regents Professor currently teaching as a mathematics specialist in the Department of Elementary Education at Stephen F. Austin State University. She is an in-demand statistical/mathematical consultant.

William D. Clark, PhD, has been a professor of mathematics at Stephen F. Austin State University for more than 30 years.