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1、LinearFunctionsFocusUselinearfunctionsandinequalitiestorepresentandmodelreal-worldsituations.CHAPTER3FunctionsandPatternsUnderstandtheconceptsofarelationandafunction,anddeterminewhetheragivenrelationdefinedbyagraph,asetoforderedpairs,orasymbolicexpressionisafunction
2、.CHAPTER4AnalyzingLinearEquationsGraphalinearequation,computeanequation’sx-andy-intercepts,andderivelinearequationsbyusingthepoint-slopeformula.CHAPTER5SolvingSystemsofLinearEquationsSolveasystemoftwolinearequationsintwovariablesalgebraicallyandinterprettheanswergra
3、phically.CHAPTER6SolvingLinearInequalitiesSolveabsolutevalueinequalities,multistepproblemsinvolvinglinearinequalitiesinonevariable,andsolveasystemoftwolinearinequalitiesintwovariables.138Unit200138-0139UOCH03-877852.indd138138-0139UOCH03-877852.indd138110/6/061:01:5
4、0PM0/6/061:01:50PMAlgebraandSportsTheSpiritoftheGamesThefirstOlympicGamesfeaturedonlyoneevent–afootrace.In2004,theOlympicGamesfeaturedthousandsofcompetitorsinabout300events.The2004summergameswereheldinAthens,Greece.Inthisproject,youwillexplorehowlinearfunctionscanbe
5、usedtorepresenttimesinOlympicevents.Logontoca.algebra1.comtobegin.Unit2LinearFunctions13900138-0139UOCH03-877852.indd139138-0139UOCH03-877852.indd139110/6/061:01:58PM0/6/061:01:58PM3FunctionsandPatterns•Standard16.0Studentsunderstandtheconceptsofarelationandafunctio
6、n,determinewhetheragivenrelationdefinesafunction,andgivepertinentinformationaboutgivenrelationsandfunctions.•Standard17.0Studentsdeterminethedomainofindependentvariablesandtherangeofdependentvariablesdefinedbyagraph,asetoforderedpairs,orasymbolicexpression.KeyVocabu
7、laryarithmeticsequence(p.165)function(p.149)inverse(p.145)y-intercept(p.156)Real-WorldLinkCurrencyAfunctionisaruleoraformula.Youcanuseafunctiontodescribereal-worldsituationslikeconvertingbetweencurrencies.Forexample,inJapan,anitemthatcosts10,000yenisequivalenttoabou
8、t87U.S.dollars.FunctionsandPatternsMakethisFoldabletohelpyouorganizeyournotesaboutgraphingrelationsandfunctions.Beginwiththreesheetsofnote
