sat数学考试试题

SAT数学真题精选

1.If2x+3=9,whatisthevalueof4x-3?

(A)5(B)9(C)15(D)18(E)21

2.If4(t+u)+3=19,thent+u=?

(A)3(B)4(C)5(D)6(E)7

3..I.th.xy-coordinat.(^

^.plan.above.th.lin.contain.th.point.(0,0.an.(l,2).I.Iin..(no.shown.contain.th.poin.(0,0.

an.i.perpendicula.(SM.t.Lwha.i.a.equatio.o.M?

(A)y=-1/2x

(B)y=-1/2x+1

(C)y=-x

(D)y=-x+2

(E)y=-2x

4.IfKisdivisibleby2,3,and15fwhichofthefollowingisalsodivisiblebythese

numbers?

(A)K+5(B)K+15(C)K+20(D)K+30(E)K+45

5..Ther.ar..section.o.seat.i.a.auditorium.Eac.sectio.contain.a.leas.l5.seat.bu.no.mor.th

a.20.seats.Whic.o.th.followin.coul.b.th.numbe.o.seat.i.thi.auditorium?

(A)800(B)1,000(C)1,100(D)1,300(E)1,700

6.Ifrsuv=1andrsum=0,whichofthefollowingmustbetrue?

(A)r<1(B)s<1(C)u=2(D)r=0(E)m=0

7..Th』eger.(连续整数上一

126.eger.ar.i.thi.set?

(A)126(B)127(C)252(D)253(E)254

8...specia.lotter.i.t.b.hel.t.selec.th.studen.wh.wil.liv.i.th.onl.delux.roo.i..dormitory.The

r.ar.20.seniors.30.juniors.an.40.sophomore.wh.applied.Eac.senior,.nam.i.place.i.th.lo

tter..times.eac.junior'.name..time.an.eac.sophomore,.name..times.I..student,.nam.

babilit.tha..senior,.nam.wil.b.cho

sen?

(A)1/8(B)2/9(C)2/7(D)3/8(E)1/2

Questio.#1.50.o.U.colleg.student.liv.o.campus.Ou.o.al.student.livin.o.campus.40.ar.gr

aduat.students.Wha.percentag.o.U.student.ar.graduat.student.livin.o.campus?

(A)90%(B)5%(C)40%(D)20%(E)25%

Questio.#2.I.th.figur.below.M.i.paralle.wit.B.an.AM/A..2/3.Wha.i.th.rati.betwee.th.ar

e.o.triangl.AM.an.th.are.o.triangl.ABC?

0

(A)5/9(B)2/3(C)4/9(D)1/2(E)2/9

Question#3:Ifa2+3isdivisibleby7,whichofthefollowingvaluescanbea?

(A)7(B)8(C)9(D)ll(E)4

2

Question#4:Whatisthevalueofbrifx=2isasolutionofequationx-b•x+1=0?

(A)l/2(B)-l/2(C)5/2(D)-5/2(E)2

Question#5:Whichvalueofxsatisfiestheinequality|2x|<x+1?

(A)-l/2(B)l/2(C)l(D)-l(E)2

Question#6:Ifintegersm>2andn>2,howmany(m,n)pairssatisfytheinequality

mn<100?

(A)2(B)3(C)4(D)5(E)7

Questio.#7.Th.U.dee.populatio.increas.i.50.ever.2.years.Ho.ma.time.large.wil.th.dee.

populatio.b.i.6.year.?

(A)2.275(B)3.250(Q2.250(D)3.375(E)2.500

Question#8:Findthevalueofxifx+y=13andx-y=5.

(A)2(B)3(C)6(D)9(E)4

Question#9:

USUKMedals

32gold

14silver

41bronze

Th.numbe.o.medal.wo.a..trac.an.fiel.championshi.i.show.i.th.tabl.above.Wha.i.th.per

centag.o.bronz.medal.wo.b.U.ou.o.al.medal.wo.b.th..teams?

(A)20%(B)6.66%(Q26.6%(D)33.3%(E)10%

Questio.#10.Th.edge.o..cub.ar.eac..inche.long.Wha.i.th.surfac.area.i.squar.inches.o.t

hi.cube.

(A)66(B)60(C)76(D)96(E)65

AD

(a)5(b)6(c)2(d)3(e)4

Question#5:

Ifaandparetheanglesoftherighttriangleshowninthefigureabove,thensin2a+

sin2Pisequalto:

(a)cos(P)(b)sin(P)(c)1(d)cos2(p)(e)-1

Questio.#6.Th.averag.o.number.(..9.an.(..egers.Tduc.o

.eger.i.equa.t.(..l)2.Wha.i.th.valu.o.a.

(a)a=9(b)a=1(c)a=0(d)a=5(e)a=11

Question#1:Iff(x)=xandg(x)=Vx,XN0,whatarethesolutionsoff(x)=g(x)?

(A)x=1(B)X1=1,X2=-1

(Qxi=1,x2=0(D)x=0

(E)x=-l

Question#2:WhatisthelengthofthearcABinthefigurebelow,ifOisthecenterof

thecircleandtriangleOABisequilateral?Theradiusofthecircleis9

(a)n(b)2・n(c)3F(d)4«TT(e)n/2

1.Questio.#3.Wbabilit.tha.someon.tha.throw..dic.get...an..6.Eac.dic.ha.side

.numbere.fro..t.6...(a)l/.....(b)l/.....(c)l/l......(d)l/l.....(e)l/36

Questio.#4..cyclis.bike.fro.tow..t.tow..an.bac.t.tow..i..hours.H.bike.fro..t..a..spee.o.

es/es/hour.Wha.i.th.distanc.betwee.th..towns.

(a)e...(b)e....(c)e....(d)e....(e)es

Questio.#5.Th.volum.o..cube-shape.glas.C.o.edg..i.equa.t.hal.th.volum.o..cylinder-

shape.glas.C2.Th.radiu.o.C.i.equa.t.th.edg.o.Cl.Wha.i.th.heigh.o.C2.

(a)2-./.....(b).......(c)..(2-n.....(d)......(e)..n

Questio.#6.Heger..ar.ther.suc.tha.2..100.an.a.th.sam.tim.th.numbe.2...i.a.i

ntege.divisibl.b.bot..an.2.M(a)....(b)....(c.....(d.......(e)5

Questio.#7.sin(x)cos(x)(..tan2(x)..

(a)tan(x........(b)cos(x)

(c)sin(x........(d)tan(x)

(e)sin(x..cos(x)

Questio.#8.L5egers.eac.o.th.followin.coul.b.th.valu.o....e

xcept.

(a)l...(b.l....(c.2....(d)l....(e)43

Questio.#9.Teger.24.6.12..an..i.ll.Wha.i.th.valu.o.th.su...y.

(a)l....(b)l..…(c)l..…(d)l....(e.9

Questio.#10.Th.inequalit.|2..1...mus.b.tru.i.whic.on.o.th.followin.cases.

II••••••.UI

Thre.uni.circle.ar.arrange.s.tha.eac.touche.th.othe.two.Fin.th.radi.o.th.tw.circle.whic.to

uc.al.three.

2.Findallrealnumbersxsuchthatx+1=|x+3|-|x-1|.

(l.Give...(..l/n)n...(..l/n)n+l.sho.tha.x..yx.

(2.Sho.tha.l..2..3..4.....(-l)n+ln..(-l)n+l(........n).

Al.coefficient.o.th.polynomia.p(x.ar.non-negativ.an.non.excee.p(0).l.p(x.ha.degre.

n.sho.tha.th.coefficien.o.xn+.i.p(x).i.a.mos.p(l)2/2.

3.Whatisthemaximumpossiblevalueforthesumoftheabsolutevaluesofthe

d讦ferencesbetweeneachpairofnnon-negativerealnumberswhichdonot

exceed1?

A.i..diamete.o..circle..i..