直线与圆的位置关系高考题.doc

直线与圆的位置关系高考题22?任意的实数k,直线与圆的位置关系一定是y,kx,1x,y,?已知圆,过点的直线,则()P(3,0)Cxyx:40,,,?过点与圆相交的所有直线中,被圆截得的弦最长时的直线方,,P0,1x,y,2x,3,0程是()x,0A、B、C、D、y,1x,y,1,0x,y,1,,设该圆过点的最长弦和最短弦分别为,,3,5x,y,6x,8y,0ABCDBD和,则四边形的面积为()106206A、B、306406D、C、,则直线的斜率的取值范围为,,A4,0,,x,2,y,1()A、B、,,,3,3[,3,3],,3333,,C、D、[,,],,,,3333,,xy22,,,则()x,y,1ab2222a,b,1a,b,1A、B、1111,,1,,1C、D、、两点,且,则的值为()y,kx,1Qx,y,1,POQ,12033,3,222A、或B、C、或D、,x,1上的一点向圆引切线,则切线长的最小值为(),,x,3,y,13722A、1B、C、D、22m,n,R(m,1)x,(n,1)y,2,,若直线与圆相切,则m+n(x,1),(y,1),1mediumabovethesurfaceofthepipeandheat,,ordingtodifferentrequirementofthe1:10~1:100slope,-tubeforpressurepipecards,isolationwitharubberplate,brackethorizontallayingspacingforthe1~,~,shouldbeblowingandpressuretesting,,valves,fittings,cleaningshouldbecarriedoutpriortoinstallation,thereshouldbenooil,water,,removeendofiron,,notsealwelded,,r