已知椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
过点
,其左焦点
与点
的连线与圆
相切.
(1)求椭圆
的方程;
(2)设
为椭圆
上的一个动点,试判断以
为直径的圆与圆
的位置关系,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434249d6640b0c1a712d215cf8b83d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26b9565d41bd22de15963087f5346099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd64dc89733efaa49e4c8f32ece8623.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30a7506331e47342fb1e7d2e12d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b29e4b97eab86bdf8d87d78ab8eabd.png)
![](https://img.xkw.com/dksih/QBM/2011/12/16/1570618889633792/1570618895130624/STEM/219ae09c-c6e1-48d3-bea9-069f61bc4d00.png?resizew=225)
10-11高二·山东济宁·阶段练习 查看更多[1]
(已下线)2011-2012学年山东省邹城二中高二月考理科数学试卷
更新时间:2016-12-01 10:55:14
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【推荐1】已知圆
:
及圆
:
.
(1)判断两圆的位置关系;
(2)求出两圆的公共弦长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96ccb350fa6b4c85b76c4101eeb92524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669c6ed7c2641177b2bd1c928d265f48.png)
(1)判断两圆的位置关系;
(2)求出两圆的公共弦长.
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【推荐2】选修4—4:坐标系与参数方程
在平面直角坐标系xOy中,曲线C1的参数方程为
(t为参数).在以坐标原点为极点,x轴正半轴为极轴的极坐标系中,曲线C2:
.
(1)求曲线C1和C2的直角坐标方程,并分别指出其曲线类型;
(2)试判断:曲线C1和C2是否有公共点?如果有,说明公共点的个数;如果没有,请说明理由;
(3)设
是曲线C1上任意一点,请直接写出
的取值范围.
在平面直角坐标系xOy中,曲线C1的参数方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388e675093382ea8fa7f881ec04c057b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
(1)求曲线C1和C2的直角坐标方程,并分别指出其曲线类型;
(2)试判断:曲线C1和C2是否有公共点?如果有,说明公共点的个数;如果没有,请说明理由;
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7903097d9663549d86e6267da59537a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219ba6c8a1b54598db1a78cab28d9d30.png)
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【推荐1】如图,两个定圆
和
内切,且半径分别为
,
,动圆M与
外切且与
内切,那么动圆圆心M的轨迹是什么?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e69fd92eceb49fed10c4b50723d13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ba050bb69ab55bdcb96f935f5922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10267f2052138fc8357706432a9c32cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22aa22c19e83dab6b81cfa3fce6a4ed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e69fd92eceb49fed10c4b50723d13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17f7ba050bb69ab55bdcb96f935f5922.png)
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【推荐2】求适合下列条件的椭圆的标准方程:
(1)焦点坐标为
和
,椭圆上任一点到两个焦点的距离之和为
;
(2)焦点坐标为
和
,且椭圆经过点
.
(1)焦点坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c2f59980057f51e5cf3e86038cfaa16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b569572c8d9bf05d78d3ab741e68bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c696d722e1b4b938c7a956ff83f733bd.png)
(2)焦点坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec40ff4479edca2ed18b6cadb8db72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0e705301752424a492f6277ed7774e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cbd2b8f2572cf6a285d0cab9cc16da3.png)
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名校
解题方法
【推荐1】分别求出满合下列条件的圆锥曲线的标准方程:
(1)离心率为
,且短轴长为6的椭圆
;
(2)过点
,且与椭圆
有相同焦点的双曲线
.
(1)离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/059d02ae074c7c2f7dfde8058dfa55ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6103bf252c48f0ffd2c3c2ded3dd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c733223639afd98d2a624e85c309e016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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解题方法
【推荐2】在平面直角坐标系
中,已知椭圆
中心在原点,焦距为2,右准线
的方程为
.过
的直线交
于
,
两点.
(1)求椭圆
的方程;
(2)若
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706b8c6c4867aa1538ba4c3e8e6ce5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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