SAT2试题文档格式.docx

SAT2试题文档格式.docx

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C.increasefourfold

D.double

E.increasetomorethandouble

6.Whichofthefollowingcouldbeasolutionoftheequation│x│=│4x-3│

A.-1

B.-0.6

C.0

D.0.6

E.1.5

7.Thenumberofdegreesthatthehourhandofaclockmovesthroughbetweennoonand2.30intheafternoonofthesamedayis

A.720

B.180

C.75

D.65

E.60

8.Jefftakes20minutestojogaroundtheracecourseonetime,and25minutestojogaroundasecondtime.Whatishisaveragespeedinmilesperhourforthewholejogifthecourseis3mileslong?

A.6

B.8

C.10

D.12

E.14

9.AandBareequidistantfromthelinel.HowmanycirclescanbedrawnwiththeircentresonlinelandthatpassthroughbothAandB?

A.1

B.2

C.3

D.4

E.>

10

10.Awheelhasadiameterofxinchesandasecondwheelhasadiameterofyinches.Thefirstwheelcoversadistanceofdfeetin100revolutions.Howmanyrevolutionsdoesthesecondwheelmakeincoveringdfeet?

A.100xy

B.100y-x

C.100x-y

D.100y/x

E.100x/y

SAT考试数学练习题第八套SATproblemsolvingpracticetest8

1.3x+y=19,andx+3y=1.

Findthevalueof2x+2y

A.20

B.18

C.11

D.10

E.5

2.Thepriceofacycleisreducedby25percent.Thenewpriceisreducedbyafurther20percent.Thetworeductionstogetherareequaltoasinglereductionof

A.45%

B.40%

C.35%

D.32.5%

E.30%

3.xandyareintegers

x+y<

11,andx>

6

Whatisthesmallestpossiblevalueofx-y?

C.4

D.-2

E.-4

4.Ifx5y4z2<

0,whichofthefollowingmustbetrue?

Ixy<

IIyz<

IIIxz<

A.I

B.II

C.III

D.IandII

E.None

5.BCDisalinesegmentandAngleBAC=¼

AngleACB;

AngleACD=?

A.140

B.100

C.120

D.60

E.itcannotbedeterminedfromtheinformationgiven

6.Whichofthefollowingintegersisinthesolutionsetof│1–3x│<

5 

?

I-1

II1

III2

A.Ionly

B.IIonly

C.IIIonly

D.IandIIonly

E.I,IIandIII

7.Inacertainvillage,mlitresofwaterarerequiredperhouseholdpermonth.Atthisrate,iftherearenhouseholdsinthevillage,howlong（inmonths）willplitresofwaterlast?

A.p/mn

B.mn/p

C.mp/n

D.np/m

E.npm

8.Inthefigurebelow,whatistheslopeoflinel?

A.-3

B.-1/3

D.1/3

E.3

9.Whatdigitappearsintheunitsplaceinthenumberobtainedwhen2320ismultipliedout?

A.0

D.6

E.8

10.RadiusofcirclecenterOis3timestheradiusofcirclecenterC. 

AngleACB=AnglePOQ

IftheshadedareaofcircleCis2thenwhatistheareaoftheshadedpartofcircleO?

B.12

C.18

D.36

E.3/2

SAT考试数学练习题第九套SATproblemsolvingpracticetest9

1.（3x104）+（2x10²

）+（4x10）=

A.302400

B.32400

C.30240

D.3240

E.324

2.Andysolvesproblems74to125inclusiveinaMathexercise.Howmanyproblemsdoeshesolve?

A.53

B.52

C.51

D.50

E.49

3.Ifxandyareintegers,and3x+2y=13,whichofthefollowingcouldbethevalueofy?

B.1

C.2

D.3

E.4

4.IntriangleABC,AD=DB,DEisparalleltoBC,andtheareaoftriangleABCis40.WhatistheareaoftriangleADE?

A.10

B.15

C.20

D.30

5.Ifn>

0,whichofthefollowingmustbetrue?

In²

>

1

IIn-n²

<

0

III2n-1>

E.none

6.Iftheslopeofalineis½

andthey-interceptis3,whatisthex-interceptofthesameline?

B.3/2

D.-2/3

E.-6

7.6peoplemeetforabusinesslunch.Eachpersonshakeshandsoncewitheachotherpersonpresent.Howmanyhandshakestakeplace?

A.30

B.21

D.15

E.10

8.Ifx²

-y²

=55,andx-y=11,theny=

A.8

B.5

D.-8

E.-3

9.Inasportsclubwith30members,17playbadmintonand19playtennisand2donotplayeither.Howmanymembersplaybothbadmintonandtennis?

A.7

C.9

E.11

10.RectangleABCDhasaperimeterof26.ThehalfcirclewithdiameterADhasanareaof8π.Whatistheperimeterofthepartofthefigurethatisnotshaded?

A.26+4π

B.18+8π

C.18+4π

D.14+4π

E.14+2π

SAT考试数学练习题第十套SATproblemsolvingpracticetest10

1.Courierchargesforpackagestoacertaindestinationare65centsforthefirst250gramsand10centsforeachadditional100gramsorpartthereof.Whatcouldbetheweightingramsofapackageforwhichthechargeis$1.55?

A.1155

B.1145

C.1040

D.950

E.259

2.ABandDEareparallel.AngleBAC=30,angleCDE=50.WhatisthemeasureofangleACD?

A.100

B.90

C.80

D.70

E.cannotbedeterminedfromtheinformation

3.Ifx/yisaninteger,whichofthefollowingstatementsmustbetrue?

A.bothxandyareintegers

B.xisaninteger

C.eitherxoryisnegative

D.y/xisaninteger

E.x=nywherenisaninteger

4.Whatistheaverageoffourtenthsandfivethousandths?

A.25002

B.2502

C.0.225

D.0.2025

E.0.02025

5.Whatisthesimplifiedresultoffollowingthestepsaboveinorder?

（1）add5yto2x

（2）multiplythesumby3

（3）subtractx+yfromtheproduct

A.5x+14y

B.5x+16y

C.5x+5y

D.6x+4y

E.3x+12y

6.Iftheequationofalinepinthecoordinateplaneisy=3x+2,whatistheequationoflineqwhichisareflectionoflinepinthex-axis?

A.y=-3x+2

B.y=-3x-2

C.y=3x-2

D.y=-1/3x-5

E.y=-1/3x+5

7.Ify¤

x=y2xforallpositiveintegers,then（3¤

4）¤

2=

A.38

B.312

C.316

D.324

E.332

8.Thefirstterminasequenceis1andthesecondtermis5.Fromthethirdtermoneachtermistheaverage（arithmeticmean）ofallprecedingterms.Whatisthe25thterminthesequence?

A.2.5

B.3

C.5

D.25

E.50

9.Thesolidbrickshownismadeofsmallbricksofside1.Whenthelargebrickisdisassembledintoitscomponentsmallbricks,thetotalsurfaceareaofallthesmallbricksishowmuchgreaterthanthesurfaceareaofthelargebrick?

A.32

B.40

C.60

D.72

E.80

10.（3x+2）（2x-5）=ax²

+kx+n.

Whatisthevalueofa-n+k?

A.5

E.11

SAT考试数学练习题第十一套SATproblemsolvingpracticetest11

1.Astraightfenceistobeconstructedfromposts6incheswideandseparatedbylengthsofchain5feetlong.Ifacertainfencebeginsandendswithapost,whichofthefollowingcouldnotbethelengthofthefenceinfeet?

（12inches=1foot）

A.17

B.28

C.35

D.39

2.Acircularlogoisenlargedtofitthelidofajar.Thenewdiameteris50percentlargerthantheoriginal.Bywhatpercentagehastheareaofthelogoincreased?

A.50

B.80

C.100

D.125

E.250

3.♠ndenotesthenumberobtainedwhennisroundedtothenearesttenth.Forexample♠4.31=4.3

♠0.089-♠1.135=

A.1.05

B.1.04

C.-1.05

D.-1.0

E.-0.1

4.Halfthepeopleonabusgetoffateachstopafterthefirst,andnoonegetsonafterthefirststop.Ifonlyonepersongetsoffatstopnumber7,howmanypeoplegotonatthefirststop?

A.128

B.64

C.32

D.16

5.Theslopeofthelinepassingthroughthepoint（5,5）is5/6.Allofthefollowingpointscouldbeonthelineexcept

A.（2.5,2）

B.（11,10）

C.（8,7.5）

D.（-1,0）

E.（-7,-5）

6.Forawallofagivenmaterialandofafixedsurfacearea,therateofheatlossbyconductionthroughthewallisinverselyproportionaltothethickness（T）ofthewall,anddirectlyproportionaltothetemperaturedifference（d）acrossthewall.Therateofheatlosscouldbegivenbywhichofthefollowingexpressions?

A.2d/T

B.2T/d

C.2d+½

T

D.2（d+½

T）

E.T/d

7.Theaverage（mean）numberofchildrenperfamilyinthevillageisapproximately

A.2.4

B.2.0

C.1.8

D.1.5

E.1.0

8.Refertothetableprovidedinthepreviousquestion.

Thedifferencebetweenthemedianandthemodeofthenumberofchildrenperfamilyis

C.1.5

D.1.0

E.0

9.Ifxisaninteger,whichofthefollowingcouldbex³

I1.25x1017

II12.5x10-12

III0.125x10-12

C.IandIIonly

D.IandIIIonly

E.IIandIIIonly

10.Atwhatpointdoesthegraphof5x+4y=12intersectthey-axis?

A.（0,3）

B.（0,-3）

C.（3,0）

D.（5,0）

E.（0,-5）

SAT考试数学练习题第十二套SATproblemsolvingpracticetest12

1.6pintsofa20percentsolutionofalcoholinwateraremixedwith4pintsofa10percentalcoholinwatersolution.Thepercentagealcoholinthenewsolutionis

A.16

C.14

D.13

E.12

2.ASBisaquartercircle.PQRSisarectanglewithsidesPQ=8andPS=6.WhatisthelengthofthearcAQB?

A.5π

B.10π

C.25

D.14

E.28

3.Ifx¤

y=（x+y）²

-（x-y）²

Then√5¤

√5=

E.20

4.WhichofthefollowingdescribestherelationshipbetweenAandBasshowninthepairsofnumbersinthetablea