已知双曲线
的渐近线为
,左焦点为
经过点
的直线
交双曲线
于
两点.
(1)求双曲线
的标准方程;
(2)若直线
在
轴上截距为2,求
;
(3)若
的中点横坐标为1,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b75308335340230171130238f4dc6c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95d725494ad76dc0ef160cf05af0f1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
21-22高二下·上海闵行·期末 查看更多[2]
更新时间:2022-12-15 16:02:28
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【推荐1】已知双曲线(
)经过点
,其渐近线方程为
.
(1)求双曲线C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c9708ef0dc6d6f5dcf6596d3e4f6e5.png)
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解答题-证明题
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(0.65)
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【推荐2】已知双曲线
的一条渐近线方程为
,点
在
上.
(1)求双曲线
的方程;
(2)过双曲线
的左焦点
作互相垂直的两条直线
,且
与
交于
两点,
与
交于
两点,
为线段
的中点,
为线段
的中点,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d373ef598634c09fd59744f8411d4037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc178ffb220728d4dcecb5782a78c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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【推荐1】已知双曲线C:
与双曲线
有相同的渐近线,且双曲线C过点
.
(1)若双曲线C的左、右焦点分别为
,
,双曲线C上有一点P,使得
,求△
的面积;
(2)过双曲线C的右焦点
作直线l与双曲线右支交于A,B两点,若△
的周长是
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfe4a3d91a9e02b47a91cc8957e4b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2690800186a3e558531485488b6f2c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5d7e6ad0dd1df1b8a2fb8f0ea9d116.png)
(1)若双曲线C的左、右焦点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09a8ac969e5cec3be6abf4ff44c692e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32ac51352b68a747c13a68421f94b888.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/163fe0bf4cf830b042150daa99f34f3a.png)
(2)过双曲线C的右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce6758b8b074d33ea9e82818593656e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8950ff9cb986177bc50ea5304062cc17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e8c76dea78aa38ee92b236d26a571e.png)
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【推荐2】已知双曲线
过点
,给出以下2个条件:
①离心率为2,②与双曲线
有相同的渐近线.
(1)选一个条件,求出双曲线的方程.
(2)直线l与直线
平行,l被C截得的弦长为
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/830cb08b7ab0064d0092868153bb2d27.png)
①离心率为2,②与双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5c23d287ebbfffcd37ceb08adc2288.png)
(1)选一个条件,求出双曲线的方程.
(2)直线l与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b592ced26ced9f1297d8df13256f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c3822b7812e711b4ad86647b15dc1.png)
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【推荐1】已知双曲线的方程为
.
(1)求以
为中点的双曲线的弦所在直线的方程.
(2)过点
能否作直线l,使直线l与所给双曲线交于
,
两点,且点B是弦
的中点?如果直线l存在,求出它的方程;如果不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb6812158ca2a3082bd13ca07578f0.png)
(1)求以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2442a318b33a4ee99ca57009c9a2ad1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c81d490c018a166d9970b1b5ea0a63.png)
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【推荐2】已知
,直线
相交于点M,且它们的斜率之积是3.
(1)求点M的轨迹C的方程;
(2)过点
能否作一条直线m与轨迹C交于两点P,Q,且点N是线段
的中点?若能,求出直线m的方程;若不能,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e9c11cc36320090d0aaf0c621a63b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fb7ec4aa413693f4ecae59fe0e2084.png)
(1)求点M的轨迹C的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc26c3d0e12c28a398837d5bcfa5654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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