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1、1.If3x–5=16,thenx=5.Inthexy-plane,acirclehasitscenteratpointC(0,0)andcontainsthepointP(–3,4).UndertheA.–7translationthatmovespointCto(–2,3),where11B.willpointPbelocatedafterthistranslation?3C.4A.(–1,1)D.7B.(1,–1)E.18C.(–3,2)D.(–4,5)x+492.Ifx=,whatisthevalueofx
2、?E.(–5,7)712A.3^2-xh326.Iffx^h=x+,whatisthevalueoff(5)?5B.7A.0C.141D.21B.15E.352C.25B3D.35x°E.4100°C70°A20°60°50°Note:Figurenotdrawntoscale.40°30°3.Inthefigureabove,whatisthevalueofx?°F)Temperature(20°A.2010°B.50C.60FRISATD.80SUNMONTUESWEDTHURE.1407.Accordingt
3、othedatainthegraphabove,between4.Ataflooringcenter,youcanpurchasecarpetinwhichtwoconsecutivedaysoftheweekwastheoneoffivestylesandinoneof10colors.Howpercentincreaseintemperaturethegreatest?manydifferentstyle-colorcombinationsarepossibleatthisflooringcenter?A.Su
4、ndaytoMondayB.MondaytoTuesdayA.15C.WednesdaytoThursdayB.36D.ThursdaytoFridayC.40E.FridaytoSaturdayD.45E.508.Anemployeehadtotakeapaycutof20%.A12.Iftheratioofthenumberofboystothenumberofwhilelater,shereceivedapayraiseof25%.Her3girlsinaclassis,whichofthefollowing
5、couldnewsalaryafterthepayraisewaswhatpercent4NOTbethenumberofstudentsinthisclass?ofhersalarybeforethepaycut?A.21A.45%B.28B.55%C.33C.80%D.42D.95%E.49E.100%13.Theratioofthelengthofarectangletoitswidth9.Iftheaverage(arithmeticmean)ofx,6,10,12,5x,is5:3.Ifthelength
6、is10,whatistheareaoftheand10isequalto3x,whatisthevalueofx?rectangle?A.2A.6B.3B.15C.4C.16D.5D.32E.6E.6010.3x–2y=–12andx+3y=7-+bc14.Ifx=m,whatiscintermsofx,b,andm?Forwhatvaluesofxandyaretheequationsabove222A.mx–bbothtrue?2B.(x–m+b)A.x=–6,y=–3C.xm+bB.x=4,y=12D.(m
7、x+b)92C.x=–1,y=^hxm-2E.2bD.x=–2,y=3E.x=10,y=–115.Theminimumspeedonagivenstretchoffreewayis45mph,andthemaximumspeedis65mph.11.IttakesLisahhourstowalkadistanceofmmiles.WhichofthefollowinginequalitiescouldbeusedAtthissamerate,howmanyhourswillittakehertodecidedifa
8、motoristdrivingatarateofrmphtowalkadistanceofdmiles?iswithinlegallimits?A.dmA.r-45#10hB.r-55#10dhB.mC.r-65#10mhD.r-55<10C.dE.r-10#55dD.mhmE.hdyy=f(x)0x16.Aboveisthegraphofy=f(x).Wh
