北京市东城区2019-2020学年高二上学期期末考试数学(理)试题Word版含答案.pdf

2019-202041001203612336.1.ABABA.0B.-C.-D.n422.p:x^Rlgx0<0pA.-xRlgx>0B.-Ix^R|gx>0C.-xRIgx0D.RIgx003.ABCBC0AB,ACA.-23B.-1C.0D.234.m,nanm//nm//aA.B.C.D.5.2O.O-xyzA.^,-,1B.(0,0,1)C.D.226.ABCD-ABQDA-BCDAADD1ABCD227.=1(a>b>0)FFFF-,03:112ab12A.-B.1C.D.32228.lma,Blla,mB,//BU,lA.aB,1mB.amC.1HmlD.a1m,yaBB9.1(x-1)2+y2=4A.(x-I)+y=9B.(x-l)+y=32222C.(x-l)+y=9(x-l)+y=1D.(x-1)+y=3(x-l)+y=52210.C:=1(a>0,b>0)10P(2,l)CCab2222A.xy=1B.xy=120805202222C.xy=1D.xy=1802020511.PFIF|1.Px2=2y-112.ABCD-ABCD2M,NADABMN=3MNPA.B.C.D.64631813.P(2,-1,1)yOzQ(x,y,z)x+y+z=_____________.14.I2x-y-0I.15.Ix-y-m=0y2=8xABUm=_______AB=________.16.(x-l)2+y2=2kx-y-k=0.17.ABCD-ABiCDMNBBBQCMN=90ADDM.J218.CM(x,y)y2x12.C2CCM(x,y)x,6y=xC—22Cx+y=16..44619.10lA(0,4)1.(I)l(n)lI2,1.11120.1122Cx+y+10x+10y+34=0.(I)C(H)Dx=-5Cx10DP(0,2)(n)DEFEFM.21.12P-ABCDABCDBAD=60QAD.(I)PA=PDPQBLPAD(n)MPCPM=tPCtPA//MQB(n)PADLABCDPA=PD=AD=2M-BQ-C.22.1322x22C:2Z=1(a>b>0)x+y=3.ab2(I)C(n)0ICABFFABl.2019-202012336123456789101112ACCDAACBCDCB6318131415161718y=—lx—1202168n90°①③④12.44619.10(I)l(0,4)Iy4.Ix-3B(-3,0).y=14x-3y+12=0.4-34(H)I4x-3y+m=012(0,4)I212，2-mm=2m=22.74^714x-3y+2=04x-3y+22=0.10120.11(I)(x+5)+(y+5)=16(-5,-5)4.4(H)Drbr2=(r-1)2+52,r=13.b=r-1=12.D(x+5)2+(y-12)2=169.8M(x,y)DMLPM.x0XM-5xx5x2+y2+5x-14y+24=0XM0XM-5.x=0y=12x=-5y=2.22Mx+y+5x-14y+24=0.1121.12（I）BD.AD=ABBAD=60ABD.QADADLBQ.PA=PDQADADLPQ.BQPPQ=QADLPQB.ADPADPQBLPAD.4(H)AC,BQN.AQ/BC,AN3ACNBA2=1BCNC2PA//MQBPAPACPA6MQB=MNPA//MN.PMAN111PMPCt.8PCAC333PA=PD=AD=2QADUPQLAD,PADLABCDPQLABCD.QQAQBQPxyzA(1,0,0)MQBn=（x,y,z）B0,3,0Q(0,0,0)P0,0,3.PA=1,0,3QB0r3,0.FBU2FAM3X2—3y2=(k-1)x3(XiX23nMN=0jnQB=0.PA//MNx3z=0,jnQB0,.3y0.z=1x=3y=0.n=3,0,1.ABCDm=(O,O,l)cosm,n=1.M-BQ-C60.C22.13(I)xx2+y2=3x—..3,0.3,0.J3e=—a=2.22y2=1.44FABlly=kxA(x,ydB(x,y).i22(i)FAFBFA=X3,y,FB=x3,y.i-i?-?Wx+4y=4,22y(4k+1)x-4=0.xi+x2=04^FBU2FAM3X2—3y2=(k-1)x3(XiX232—4=(k21)3=04k2+1k2.4ly=^x.84TT(ii)FAFB./FAB=—2X22J32—yi=1,Xy4J60-ykABkAFi*'3-X|Xik2x12ly2x.2Iy2xy2x.1342