2022-2023学年安徽省安庆市八年级数学第一学期期末考试试题含解析

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2022-2023
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☢*/4x8x9=288(I9ᑖ+)•.•F☢Ḅᩞᧇ1.5ᐗ/I9ᑖ+
☢ᑴᩞᧇḄᵨ70.5ᐗ/I9ᑖ+•••ᑴVA'(Ḅᑴᵨ7/64x1.5+288x0.5=240(ᐗ);/ᑴVA'(Ḅᑴᵨ7240ᐗ.(3)•.•ᵫ(2)/a=240**,x?—3lx+a=x?-3lx+240x2-31%+«=(x-16)(x-15)ᦑ;ᫀ*/(x-16)(x-15).ூbc௃d⚪ὃfᑖ9:Ḅg▭ᵨஹ᦮Ḅ“ᓝ”ᑖ"g▭m⚪nopᐵr7"⚪ᐵst.ᑖ9:"uḄ237᧕⍡xbyᑖ"t.z{|⌱~ᔠ〉Ḅ9ᓝᑖ"7"⚪ᐵs25ஹ(1)A(-4,1)(-1,-1)C(-3,2)y(2)"᪆y(3)"᪆ூᑖ᪆௃(1)᪷4B,CḄᑏᙶ᪗ᓽ.(2)᪷ᐵxḄbḄᙶ᪗ᱯᑖA,B,CḄb4,Bx,Gᓽ.(3)bCᐵyḄb஺5஺yO,b஺ᓽ*ᡠ.ூ$"௃"/(1)ᵫ⚪./A(-4,1)B(-1,-1)C(-3,2)

17(2)᝞&ᑖÜÝ|AஹBஹCᐵÞxß®àḄ®×64ஹ3iஹGḄᙶ᪗4(-4,-1),B(-1,1),Ci(-3,-2),áâã,ᓽ)ᡠD.(3)᝞&ä6CᐵÞyßḄ®à6஺âã509yßÞO,6஺ᓽ)ᡠD.ூ6௃⚪ὃ¢☢'xᙶ᪗¾46Ḅᙶ᪗ḄÝ|ᐵÞxß®àḄ6Ḅᙶ᪗ᱯæᨬçèéê⚪3ë⚪ḄᐵìíᐵÞxß®àḄ6Ḅᙶ᪗ᱯæ஺26ஹ(1)x=0y(2)aᑖ<=4“g”J⊤Ḅᦪ1ூᑖ᪆௃(1)“”Gᡂ5,3ᑖ<=ᓽ(2)<=ᨵ`᪷îᑖïIðñḄᦑᐜîᑖïòx=2Jᐭᓽ3^.ூ3௃(1)<=7PÑIó¶(X-2)5+3(%-2)=-13x=0,ôõx=0aᑖ<=Ḅ3.(2)Ågm,<=7PÑIó¶(x-2)m+3(x-2)=-lᵫÞx=2aᑖ<=Ḅ`᪷ᡠ¶öx=2Jᐭ☢Ḅ/÷+3(2-2)=-1ᡠ¶aᑖ<=4“g”J⊤Ḅᦪ1.

18ூ6௃⚪ὃ¢ᑖ<=3¿±`᪷Ḅ|ø·×ᵨ.`᪷ᑖ<=ᓄ)᦮<=CðñḄÏᑖ<=Ḅᑖï)0Ḅ᪷.`᪷Ý|Cᢥ᝞ûüý~Fজᓄᑖ<=)᦮<=ÿঝ
᪷ᐭ᦮ᓽᐵḄ.