直线
与圆
相交于
两点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c311b215f3c3144fbe11ffacf386b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2665872b3db8235a17679908fc8d872f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
2018高二上·全国·专题练习 查看更多[1]
(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高二年级(文)人教版数学试题(B卷)
更新时间:2018-01-07 19:51:33
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【知识点】 已知圆的弦长求方程或参数
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填空题-单空题
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较易
(0.85)
解题方法
【推荐1】经过点
且被圆
截得的弦长为
的直线方程为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fcde892702bdc5249f9197624d63471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ce97c6ca33b8b2be3294d7614a4c66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec978eb43bc4f9e7df83b0d0195dcda.png)
您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
【推荐2】已知直线
经过点
且与圆
.相交于
,
两点,若
,则直线
的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f360246d78db95b642b56a39bced7d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd76e20aa1bb089a231d87f352e6b90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55eaf0b36117ecd638c87afb8858b9df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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