1、Intermediate Algebra SENIOR CONTRIBUTING AUTHOR LYNN MARECEK,SANTA ANA COLLEGE OpenStax Rice University 6100 Main Street MS-375 Houston,Texas 77005 To learn more about OpenStax,visit https:/openstax.org.Individual print copies and bulk orders can be purchased through our website.2019 Rice University
2、.Textbook content produced by OpenStax is licensed under a Creative Commons Attribution 4.0 International License(CC BY 4.0).Under this license,any user of this textbook or the textbook contents herein must provide proper attribution as follows:-If you redistribute this textbook in a digital format(
3、including but not limited to PDF and HTML),then youmust retain on every page the following attribution:“Download for free at https:/openstax.org/details/books/intermediate-algebra.”-If you redistribute this textbook in a print format,then you must include on every physical page thefollowing attribut
4、ion:“Download for free at https:/openstax.org/details/books/intermediate-algebra.”-If you redistribute part of this textbook,then you must retain in every digital format page view(includingbut not limited to PDF and HTML)and on every physical printed page the following attribution:“Download for free
5、 at https:/openstax.org/details/books/intermediate-algebra.”-If you use this textbook as a bibliographic reference,please includehttps:/openstax.org/details/books/intermediate-algebra in your citation.For questions regarding this licensing,please contact supportopenstax.org.Trademarks The OpenStax n
6、ame,OpenStax logo,OpenStax book covers,OpenStax CNX name,OpenStax CNX logo,OpenStax Tutor name,Openstax Tutor logo,Connexions name,Connexions logo,Rice University name,and Rice University logo are not subject to the license and may not be reproduced without the prior and express written consent of R
7、ice University.PRINT BOOK ISBN-10 PRINT BOOK ISBN-13 PDF VERSION ISBN-10 PDF VERSION ISBN-13 Revision Number Original Publication Year 0-9986257-2-8 978-0-9986257-2-0 1-947172-26-3 978-1-947172-26-5 IA-2017-002(03/19)-MJ2017OPENSTAX OpenStax provides free,peer-reviewed,openly licensed textbooks for
8、introductory college and Advanced Placement courses and low-cost,personalized courseware that helps students learn.A nonprofit ed tech initiative based at Rice University,were committed to helping students access the tools they need to complete their courses and meet their educational goals.RICE UNI
9、VERSITY OpenStax,OpenStax CNX,and OpenStax Tutor are initiatives of Rice University.As a leading research university with a distinctive commitment to undergraduate education,Rice University aspires to path-breaking research,unsurpassed teaching,and contributions to the betterment of our world.It see
10、ks to fulfill this mission by cultivating a diverse community of learning and discovery that produces leaders across the spectrum of human endeavor.PHILANTHROPIC SUPPORT OpenStax is grateful for our generous philanthropic partners,who support our vision to improve educational opportunities for all l
11、earners.Laura and John Arnold Foundation Arthur and Carlyse Ciocca Charitable Foundation Ann and John Doerr Bill&Melinda Gates Foundation Girard Foundation Google Inc.The William and Flora Hewlett Foundation Rusty and John Jaggers The Calvin K.Kazanjian Economics Foundation Charles Koch Foundation L
12、eon Lowenstein Foundation,Inc.The Maxfield Foundation Burt and Deedee McMurtry Michelson 20MM Foundation National Science Foundation The Open Society Foundations Jumee Yhu and David E.Park III Brian D.Patterson USA-International Foundation The Bill and Stephanie Sick Fund Robin and Sandy Stuart Foun
13、dation The Stuart Family Foundation Tammy and Guillermo Trevio Access.The future of education.OpenStax.org I like free textbooks and I cannot lie.Give$5 or more to OpenStax and well send you a sticker!OpenStax is a nonprofit initiative,which means that every dollar you give helps us maintain and gro
14、w our library of free textbooks.If you have a few dollars to spare,visit OpenStax.org/give to donate.Well send you an OpenStax sticker to thank you for your support!1234567Table of ContentsPreface1Foundations51.1 Use the Language of Algebra51.2 Integers241.3 Fractions411.4 Decimals551.5 Properties o
15、f Real Numbers72Solving Linear Equations972.1 Use a General Strategy to Solve Linear Equations972.2 Use a Problem Solving Strategy1142.3 Solve a Formula for a Specific Variable1322.4 Solve Mixture and Uniform Motion Applications1492.5 Solve Linear Inequalities1682.6 Solve Compound Inequalities1872.7
16、 Solve Absolute Value Inequalities198Graphs and Functions2253.1 Graph Linear Equations in Two Variables2253.2 Slope of a Line2543.3 Find the Equation of a Line2793.4 Graph Linear Inequalities in Two Variables2953.5 Relations and Functions3143.6 Graphs of Functions329Systems of Linear Equations3674.1 Solve Systems of Linear Equations with Two Variables3674.2 Solve Applications with Systems of Equations3894.3 Solve Mixture Applications with Systems of Equations4074.4 Solve Systems of Equations wit
