湖北省武汉钢城某中学2022-2023学年数学八上期末综合测试试题含解析

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2022-2023
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SAC2+BC2=AB2,ᓽx2+82=(x+4)2'
Sx=6,ᓽAC=6.ூ=[௃\⚪]⌕ὃ`aCbXᑖAஹbXᑖAḄឋdஹIJKᳮḄeᵨஹᐰgbhḄᑨKYឋd.'⚪ḄᐵkᙠCbXᑖAlᑭᵨᐸឋdFGgbhᐰ.

2024ஹ(1)kC(2,4)k4,8Ḅ¤ᔠk;(2)জy=2x-1,ঝ¬ᔠ⚪RḄk^£j1,6E(6,15).2ூᑖ᪆௃(1)ᵫ⚪1¤ᔠkḄjSᓽI"T°ᫀ.(2)জᵫ⚪1¤ᔠkḄjSITy=2x-l,.ঝᔠ⚪Rᑖz³´µ¶U(i)/77/)=90஺º»A¼ᵫ¤ᔠkḄjS"TkEᙶ᪗(ii)N77)”=90°º»A¼ᵫ¤ᔠkḄjS"Tk£ᙶ᪗(A)/"77)=90஺ºᵫ⚪Rm³´µÃᙠ.ூ2௃(1)U}^Å=2,3=433.,.k஺(2,4)kA,8Ḅ¤ᔠk(2)Uজᵫ¤ᔠkjSÇ=ᓟT=3x—3.|.…ËÌT"Í.•.3x-3=ÎÏᓄÐTy=2x-1.2ঝ⌕ÑAD7W^J{z{Iᑖz³´µ¶U(i)ÔN77/E>=90஺º᝞¼1ᡠ×Ø7(஻2,2஻2-1),ᑣkÛ^(஻2,2஻2+3).ᵫkÝkE,஺Ḅ¤ᔠk-3"2+3--1(2m+3)+0m=-----ᡈ2—]=-----------,33Tá=1,,k.(ii)ÔN">H=90஺º᝞¼2ᡠ×,

21ᑣkT^(3,5).ᵫkTk£,஺Ḅ¤ᔠk,ITkä(6,15).(Hi)ÔN47D=90஺ºå´µÃᙠ.æçᡠè¬ᔠ⚪RḄk^é(*6),Û(645)ூkl௃~⚪ëᦪæᔠìᵨ⚪íQᑮïðjᳮTìᵨmòójS⚪ôõᢥ᯿⚪Øøù⌲".2725->(1)y=-x+1(2).ூᑖ᪆௃(1)ᑭᵨûjüᦪGᓽI"T(2)"TJAB,Jy=2x-4yþḄÿ
Ḅᙶ᪗
ᯠ᪷☢
ᓽ.ூ௃(1)!"#$ᦪḄ᪆'(y=kx+b,•.•"#$ᦪḄ*+,-4(1,0),8(1,4),5k+b=0k=—\3:k+b=4b=5..."#$ᦪḄ⊤6'(y=-x+l!y=-x+5x=3(2)ὶ9:3:y=2x-4y=2.••Ḅᙶ᪗'((3,2),y=2x-4B
Cx=0,DUy=-4Fy=-x+lB
Cx=0,ᑣy=L

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