2022-2023学年天津市高二上期末考试数学模拟试卷附答案解析

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2022-2023
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11ூ&f௃g⚪)ᱥ+1Ḅ%&ᑮiᩩkB+ḄḄᨬ.Ḽmὃop&ᑮB+Ḅqஹ)ᱥ+Ḅsᓫuvឋwxyz{|᫏⚪.15.(2020~•)᝞ᙠZBCC-48C1D|AD=AA\=\,AB=2,ஹEABḄ|&ᑣ&Bᑮ☢D\ECḄ__.6ூὃ&௃&ஹ+ஹ☢Ḅ.ூ⚪௃⚪2ᦪᔠ2ᔣ2ᐵT.ூᑖ᪆௃஺&Bᙶ᪗ᑭᵨᔣ¡¢&8ᑮ☢DiECḄ.ூ!௃#I•ᙠ@|,AD=AAi=l,AB=2,EABḄ|&஺&Bᙶ᪗᝞&.B(1,2,0),C(0,2,0)£(1,1,0),D\(0,0,1),EB=(0,1,0),£C=(-11>0),ED2=(-1,7,1)3☢஺lECḄᔣª=(x,y,z),,n*EC=-x+y=0ᑣ-------n-ED=-x-y+z=01¬x=l,n=(1,1,2),••&8ᑮ☢DECḄ:d=IEBwn|_1_ᦑ!ᫀ#¯.6c12⚓ᐳ19⚓

12ூ&f௃g⚪ὃo&ᑮ☢ḄḄ°|᫏⚪⚪[⌕²³´⚪µ¶ᔣḄᔠᳮ¸ᵨ.ª.!⚪(ᐳ5⚪)16.(2020~•ᜩº)»xᙊCTB+2x+y=4½ᑗ{&@(1,2),¿Àᙊ\ᙠB+y=-x1ᙊCḄÁ.ூὃ&௃ᙊḄ᪗ÂÁ.ூ⚪௃ÃᓄÅÆ2Çᔠ2B+Tᙊ2ÈÉÊᳮ2ᦪ˸.ூᑖ᪆௃BÌᑭᵨᐵḄÍᵨ¢ᙊ\ÎÏᨬТᙊḄÁ.ூ!௃#Ñ⚪¶Òᙊ\&”(1,2)ḄB+TB+2x+y=4ᚖBᦑÕᩩB+ḄÖ᳛1.2ᡠÕᩩB+ḄÁx-2>3=0.ᵫ»xᡠᙊḄᙊ\CᙠB+y=-x1.ÁØÙ"3=0,Iy=-xx=-1y=l.ᡠᙊ\CḄᙶ᪗(-1,1).ÎÏIAC|=ᣮᡠᙊCḄÁ(x+1)2+3-1)2=5.ூ&f௃g⚪ὃoḄxy⌕&#ᙊḄÁḄÍᵨÝ⌕ὃoËÞḄ¸¡@Ãᣚ¡@àÅá¡@z{âẠ⚪.2217.(2020~•)»xäᙊC#A_y_=l(>h>0)Ḅ\᳛e=L,Ò&+a2,22abᓃ(2,0).(I)äᙊCḄ᪗ÂÁ2(II)3éஹêᯖ&ᑖìQ,FzîÒêᯖ&'2ḄB+/TäᙊC½ï{Zஹ8i&c13⚓ᐳ19⚓

13ðñ^ñ2B+/Á•ூὃ&௃äᙊḄឋ2B+TäᙊḄÇᔠ.ூ⚪௃ÁÅÆ2òkᦪ2☢ᔣàÍᵨ2ᙊ┵ô+ḄkõஹឋTÁ2ᦪ˸.ூᑖ᪆௃(I)ᵫäᙊḄ\᳛qa,b,cḄᐵa,6,cḄ÷ñᑮäᙊÁ2(II)3îÒêᯖ&'2ḄB+/ḄÁx=w+l,TäᙊÁὶ¸ᵨúkᳮàiB+ᚖBḄᩩûÁ"?ᓽᑮᡠB+Á.ூ!௃#(I)ᵫþ=£•=▲,
a=2,ᑣc=l,h=2_2=^3,aca222ᦑᙊCḄ_+L=143(II)F\(-1,0),2(1,0),!"#ᯖ%FiḄ&'/Ḅ)ᙊ3X2+4/=12ὶ+,-.(4+3஻?2)/+62-9=0,N(xi,yi),B(X21/),ᑣy"2=--6m=-_;_,y[y24+34+3ᵫAFJBF,ᓽBI_L8Q,%AF.EBF,=-'L,஽=-1,Xi+1x+l2ᓽᨵ(xi+1)(X2+I)+yiy2=(஻?yi+2)(myiyl)+y\y2=(l+/w2)y\y2+2m(JK2)+4=(l+/n2)•(———-——)+2O(-———)+4=0,4+3m24+3m2Q."?=RS,3_ᑣ&'IḄx=±᳛1,ᓽy=±&&(x-1).7ூ%Y௃[⚪ὃ^ᙊḄ_ឋa,bc&'_ᙊḄdeᐵg,hiὶ+&'_ᙊ,jᵨlmnᳮ,ὃ^pq_jrsB,tuv᫏⚪.x14⚓ᐳ19⚓

1418.(2014•|ᓭ)~ᨵᵬஹẆ,ẆᡂḄᭆ᳛ᑖ2f3.35᣸ᵬẆ4Ẇ8,ᵬஹḄẆ+.(I)ᨵ¡ẆᡂḄᭆ᳛(II)¢ZẆᡂ,⚜¥-¦ᑭ¨120©ᐗ¢8Ẇᡂ,⚜¥-¦ᑭ¨100©ᐗ,«-¦ᑭ¨Ḅᑖ¬ᑡ_ᦪ¯°±.ூὃ%௃²ᦣ´µ¶·¸cᐸᑖ¬ᑡ²ᦣ´µ¶·¸Ḅ°±)º.ூ»⚪௃ᭆ᳛)¼¥.ூᑖ᪆௃(I)ᑭᵨ¾+¿ÀḄᭆ᳛ÁÂ,¥rᓽ-,(II)Ãᑭ¨Ḅᑖ¬ᑡ,Ä᪷Æᦪ¯°±ÁÂ¥rᓽ-.ூQÇ௃QÈ(I)ᨵ¡ẆᡂḄ¿À¿À/
¿À5¿À/Ḅ¾+¿À,ᑣ¿ÀB¡ÉÊᨵᡂ,ËᵬẆᡂḄᭆ᳛ᑖ2_3.35ᑣpÍ=(1%Î(ÏÐÑÒ1•Ó,oD0D10Ä᪷ƾ+¿ÀḄᭆ᳛Ö×ḄÁÂ-.P(4)=\-P(5)15ᦑᨵ¡ẆᡂḄᭆ᳛Ù.15(II)ᵫ⚪-.-¦.ᑭ¨X,ᑣXḄÚÛᨵ0,120,100,220,ᵫ+ÜÝḄᭆ᳛¥rÁÂ-.,P(X=0)=(14)x(i4)Ó,6313P(X=120)-1x(l-1-)~o313931P(X=100)=(l-1)X^■ᗎ□DD920P(X=220)-fobbᡠbXḄᑖ¬ᑡ᝞åÈX0120100220P(X)2421515~5ᑣᦪ¯°±E(x)=ox-^+120x-^+100X-^+220X-|-=140.151555x15⚓ᐳ19⚓

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(1,0,1).17⚓ᐳ19⚓

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