已知圆
的圆心
在直线
上,且圆
经过原点和点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
(1)求圆
的标准方程;
(2)若圆
被斜率为1的直线
截得的弦长为2,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad0f00d7f0acc53d9774923580a60bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ca5c79bed87d6e8fa74926aecef0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56ab70e602f2e2e291df643ab209162.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
更新时间:2023-02-10 15:57:06
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】求经过直线
与
交点M,且满足下列条件的直线的一般式方程.
(1)经过点
;
(2)与直线
垂直.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e7f3102940c677b67c698c9f2049dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c4aacbad159087536fa646632ffbfd.png)
(1)经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88aa54f855334cab19d8d19ca9aea9dd.png)
(2)与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577319b0be3ce2afbd0235dfb0421c02.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐2】已知
的顶点
,AB边上的中线CM所在直线方程为
,AC边上的高BH所在直线方程为
.
(1)求C点坐标;
(2)求直线BC的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe567b482938a45840cf770053fd64fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7690f62e0b3a59c3ff0c31fe4033de1.png)
(1)求C点坐标;
(2)求直线BC的方程.
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
名校
【推荐3】已知直线
与直线
交于点P.
(1)直线
过点
且平行于直线
,求直线
的方程;(结果写成一般式)
(2)直线
与
轴交于
与
轴交于点
,请在直角坐标系中画出两条直线,求
中
边上的高线所在的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da5604e5d0faed7fdd910bc139bcac31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6398550ac74112a3b6fda9e382063756.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/5/b63a4a76-6aef-40ee-9196-cde8b4bfce91.png?resizew=150)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff1cf46861c14255a94f8d304cec8e98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7461c060958d5af54adde01e2d07a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】已知点
在直线
外,点
到直线的距离为
.如图所示,试推导公式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820c0c0ef304832ce03a40ff6463497e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6a453276e622be852a764602a452ad.png)
![](https://img.xkw.com/dksih/QBM/2020/12/20/2618075369357312/2620937729032192/STEM/2b201536e6e948899097e59a150e1078.png?resizew=248)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】已知平行四边形
的三个顶点分别为
,
,
.
(1)求直线
的方程;
(2)求平行四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e5eea5f7f98ca8632358b7e49ceb25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5159a1a4db70dcc74f2e380b8a3dd499.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
【推荐1】求满足下列条件的圆的方程.
(1)若圆
经过点
,且圆心与点
关于直线
对称,求圆
的标准方程;
(2)若圆
与直线
和直线
都相切,且圆心在x轴上,求圆
的标准方程.
(1)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1763a420cbcde04719e7f980628352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac49eb96f613ed8b731a3a6404133bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1431c077af611ba789ae41e430d8c18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
【推荐1】已知圆
,直线
与圆
相切于点
,圆
的圆心在直线
上,圆
过坐标原点
,且截直线
所得的弦长为
.
(1)求直线
的方程;
(2)求圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393a0e30b023f2a20d366eef481b5eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b740d1f7ec8da97b4bd1f55378f9fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de56e3d39e7cfcac8d4c34567ef4a67f.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解答题-证明题
|
较易
(0.85)
【推荐2】如图所示,AB是圆O的直径,以B为圆心的圆B与圆O的一个交点为P.过点A作直线交圆O于点Q,交圆B于点M,N.
(1)求证:QM=QN;
(2)设圆O的半径为2,圆B的半径为1,当AM=
时,求MN的长.
(1)求证:QM=QN;
(2)设圆O的半径为2,圆B的半径为1,当AM=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5991e9ec7666f533a528a4173c58f0ff.png)
![](https://img.xkw.com/dksih/QBM/2012/2/29/1570782552162304/1570782557790208/STEM/0fa770183c7e4333906402d7b47ecef5.png?resizew=203)
您最近一年使用:0次