已知圆C1:x2+y2-10x-10y=0和圆C2:x2+y2+6x+2y-40=0相交于A,B两点,求公共弦AB的长.
21-22高二·全国·课后作业 查看更多[1]
(已下线)2.5.2 圆与圆的位置关系(分层练习)-2021-2022学年高二数学教材配套学案+课件+练习(人教A版2019选择性必修第一册)
更新时间:2021-11-20 17:20:06
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【推荐1】△ABC的两顶点A(3,7),B(
,5),若AC的中点在
轴上,BC的中点在
轴上.
(1)求点C的坐标;
(2)求AC边上的中线BD的长及直线BD的斜率 .
![](https://img.xkw.com/dksih/QBM/2016/5/4/1572614132359168/1572614138470400/STEM/e882fd04821a423fbb520973ccc2a0af.png)
![](https://img.xkw.com/dksih/QBM/2016/5/4/1572614132359168/1572614138470400/STEM/18ef2c1ce2e74eada4ebf4f8ee9fe547.png)
![](https://img.xkw.com/dksih/QBM/2016/5/4/1572614132359168/1572614138470400/STEM/3121aedb6a924410bdff84ddec98db28.png)
(1)求点C的坐标;
(2)求AC边上的中线BD的长及直线BD的斜率 .
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【推荐2】已知动点C到两个定点
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【推荐1】求以圆
,
的公共弦为直径的圆的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807a2dfacabaa55ea3d3e492c48992e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9e3ca95aa9d1b0be98d6f1c6455e1e.png)
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【推荐2】求经过两圆
与
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【推荐1】已知圆
,直线
的斜率为2,且过点
.
(1)判断
与
的位置关系;
(2)若圆
,求圆
与圆
的公共弦长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffc1a97f6bace2ab29252ab460b6ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24620824f2b238882caef344d6979ba3.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786ea117dbde832f3fb686f28a3fb1e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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【推荐2】圆
:
内有一点
,过
的直线交圆于
,
两点.
(1)当
为弦
中点时,求直线
的方程;
(2)若圆
与圆
:
相交于
,
两点,求
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd89a03660c85fb78bd7fe82ee3068c.png)
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(1)当
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(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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