资源描述：
《美国algebra2Chapter01 教材》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、14411C01.pgs8/12/081:46PMPage1CHAPTER1THEINTEGERSIngolftournaments,aplayer’sstandingaftereachCHAPTERholeisoftenrecordedontheleaderboardasthenum-TABLEOFCONTENTSberofstrokesaboveorbelowastandardforthathole1-1WholeNumbers,Integers,calledapar.Aplayer’sstandingisapositivenumberifand
2、theNumberLinethenumberofstrokesusedwasgreaterthanparand1-2WritingandSolvingNumberanegativenumberifthenumberofstrokesusedwasSentenceslessthanpar.Forexample,ifparforthefirstholeis41-3AddingPolynomialsstrokesandaplayerusesonly3,theplayer’sstanding1-4SolvingAbsoluteValueafterplayin
3、gthefirstholeis21.EquationsandInequalitiesRosieBarbiisplayinginanamateurtournament.1-5MultiplyingPolynomialsHerstandingisrecordedas2belowpar(22)aftersix-1-6FactoringPolynomialsteenholes.Sheshoots2belowparontheseventeenth1-7QuadraticEquationswithholeand1aboveparontheeighteenth.W
4、hatisIntegralRootsRosie’sstandingaftereighteenholes?NancyTaylor,1-8QuadraticInequalitieswhoisherclosestopponent,hasastandingof1belowChapterSummarypar(21)aftersixteenholes,shoots1belowparontheseventeenthholeand1belowparontheeigh-Vocabularyteenth.WhatisNancy’sstandingaftereightee
5、nholes?ReviewExercisesInthischapter,wewillreviewthesetofintegersandthewayinwhichtheintegersareusedinalgebraicexpressions,equations,andinequalities.114411C01.pgs8/12/081:46PMPage22TheIntegers1-1WHOLENUMBERS,INTEGERS,ANDTHENUMBERLINEThefirstnumbersthatwelearnedaschildrenandprobab
6、lythefirstnumbersusedbyhumankindarethenaturalnumbers.Mostofusbeganourjourneyofdiscoveryofthemathematicalworldbycounting,theprocessthatlists,inorder,thenamesofthenaturalnumbersorthecountingnumbers.Whenwecombinethenaturalnumberswiththenumber0,weformthesetofwholenumbers:{0,1,2,3,4
7、,5,6,...}Thesenumberscanbedisplayedaspointsonthenumberline:0123456789Thenumberlineshowsustheorderofthewholenumbers;5istotherightof2onthenumberlinebecause52,and3istotheleftof8onthenumberlinebecause38.Thenumber0isthesmallestwholenumber.Thereisnolarg-estwholenumber.Thetemperatur
8、eonawinterdaymaybetwodegreesabovezeroortwodegreesbelow
