[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fMOGVOe7sF-FLTv9ETbHcFpUWBFvZ81folepCMzFed_Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":16,"related":17,"source":27,"type":28},[],"2025-12-23 01:53:47",281542754,[8,9,10,11],"一元二次方程有唯一实数解,则直线和圆相切","一元二次方程有两个不同的实数解,则直线和圆相割","一元二次方程无实数解,则直线和圆相离","以上说法都正确",{"courseId":13,"courseImg":14,"courseName":15},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","求直线和圆的交点,即解一元二次方程,下列说法理论上正确的是()",[18,29,38,41,49],{"answer":19,"createTime":5,"id":20,"options":21,"question":26,"source":27,"type":28},[],281542752,[22,23,24,25],"圆\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F39b82b68a9d54cffe2407ddea21a5f12.webp\">的圆心是(\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F61843f177af7c3672879f709dc8f966a.webp\">),半径为\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fabaf5267c68193e2e27cf9c1b85a737b.webp\">","圆\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9cb03750a46a2798ae6ed22b202d152a.webp\">,表示圆心为(0,0),半径为1的圆","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdd8b4700beb585123afb10af827d978c.webp\">表示圆心为(a,b),半径为1的圆","下面的方程是圆的参数方程. \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faf4dc996c9bb62d7e342b6ba4a5ff040.png\">\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Faf4dc996c9bb62d7e342b6ba4a5ff040.png\">","下面关于圆的说法正确的是()","v1",1,{"answer":30,"createTime":5,"id":31,"options":32,"question":37,"source":27,"type":28},[],281542753,[33,34,35,36],"平面直角坐标系中,已知两个不同的点,可以确定一条直线","平面直角坐标系中,已知直线与x轴的夹角与一个点,可以确定一条直线","平面直角坐标系中,已知直线与x轴和与y轴的交点,可以确定一条直线","平面直角坐标系中,已知直线与该直线的平移方向和距离,可以确定一条直线","下面关于直线说法正确的是()",{"answer":39,"createTime":5,"id":6,"options":40,"question":16,"source":27,"type":28},[],[8,9,10,11],{"answer":42,"createTime":5,"id":43,"options":44,"question":47,"source":27,"type":48},[],281542755,[45,46],"正确","错误","圆的参数方程形式不唯一",3,{"answer":50,"createTime":5,"id":51,"options":52,"question":53,"source":27,"type":48},[],281542756,[45,46],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fcc361520ac5cd7dcaa5d2a5b058c85b1.png\"> 该直线的表达式为:\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4737b7e815281c67ba69a3c6ad3bca69.webp\">"]