微臣GRE数学自编题目(最新版).pdf

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1、GREQuantitativeReasoning(Step2)BoWangUniversityofVirginiaAug2015BoWang(UVA)GREMathAug20151/106Overview1Arithmetic2Algebra3Geometry4DataAnalysis5Problem-solvingTechniquesBoWang(UVA)GREMathAug20152/106ëß{0ëßSN"°!Í!ÿ%cÆG˘#GREÿ%":8Bà´K.âKE

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8、thAug20158/106Ͳ'%KQuestionsofthistypeaskyoutocomparetwoquestions–QuantityAandQuantityB,andthendeterminewhichofthefollowingstatementsdescribesthecomparison.A.QuantityAisgreaterB.QuantityBisgreaterC.ThetwoquantitiesareequalD.Therelationshipcannotbedetermin

9、edfromtheinformationgivenXJ—yAåu%'uB!ú$ßAT¿üo&BoWang(UVA)GREMathAug20159/106Examplex3=1QuantityAQuantityBx3Solution:x=4§±quantityAåß¿ABoWang(UVA)GREMathAug201510/106¸ë¿JKExamplex=23,thenwhatisthevalueofx?A.2B.3C.5D.8E.9Solution:x=8,¿DBoWang(UVA)GREMathAu

10、g201511/106ÿ*ë¿JKExamplex21=0,thenwhatisthevalueofx?Indicateallpossiblevalues.A.1B.2C.0D.-1E.-2Solution:x=±1,¿ADBoWang(UVA)GREMathAug201512/106ÍiWòKExampleIfx21=0andxisanegativenumber,whatisthevalueofx?Solution:x=1ßâ!òÇpW-1BoWang(UVA)GREMathAug201513/1

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