北师大版八年级数学一次函数基本题型专题练习

16x0y0xy1Am,n|m|,-n____2P2a-1,2-3ba,b______________________3A4bBa,-2ABxa=_______,b=_________;A,Bya=_______,b=__________;ABa=_______,b=_________4M1-x,1-yN1-x,y-1______xy(,),(,)AABBAxyBxy22()()ABABxxyyABx(,0),(,0)ABAxBxABxxABy(0,),(0,)ABAyByAByy(,)AAAxy22AAxy1B2-2x_________y____________2C0-5x_________y________________________3Da,bx_________y________________________4P3,0Q(-2,0),PQ=__________,110,,0,22MN,MQ=________;2,1,2,8EF,EF__________;G2-3H3,4GH_________53-45a2a__________6A0,2B-3-2Ca,bCxACB=90C___________.y=kx+b(k,bk0)yxb=0y=kx(kk0)yxk=0y=byABA=kB(k0)1k_____________2323ykxx2m_____________21345mymxx263m_____________21445mymxx42y-33x+1x=2,y=12,________________y=kx+bkbk0k0b0b=0b0k0b0b=0b0y=kx+bk0kbk()y=kx+bk0by=kx+bk0yyy=k1x+b1k10y=k2x+b2k20yX:Y:XY361y5x+6yx___________21223yx,yx________3y=(6-3m)x(2n4)mn__________4y=(6-3m)x(2n4)mn_________5y=kx+by=-bx+k_______6my=x+2my=-x+4______71myx2mk,by=kx+bk0y=kx+bk01y=3x+b2-62y=kx+bA34B2731yxyxx4y=2x-5x-2,0465y=kx+bx-2x6-11y96y=kx+by=-3x+7ykb7y=kx+by=-3x+7xkb8y=kx+by=-3x+7kby=kx+by0b0bkby=kx+b23=y=k(x+2)+b+3;1.y=5x-322.y=-x-223.y=21x24.y=223x25.y=2x+146.y=-3x+567.xy31118.143xy21________9.2-3y=2x_________10.2-3y=-3x+1___________.11y=3x+123____________12m:y=2x+2n252a,7n56a=____________11,2-3,42A3,4OA=OB12AOB3m1,6-3-2xyBAn2-2y-3xyDC12ABCD3ABDCEBCEBA123404321Oxy-346-2FEDCBA664ABxP2pPAyC0,2PByDAOP61COP2Ap3BOPDOPBD5-3-2xyBA2-2yC0-3xD12P6.A24B-22C40ABC(2,p)yxPOFEDCBA