1 . 已知双曲线
的左、右焦点分别为
为坐标原点,A,B为双曲线上两点,且满足
,
为C上异于A,B的动点,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abfde9ec4a22b0daa1ea8cb65a192ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447120a38d5e15d7a01d36231d648d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3ff4b03ad2a29a648e9bdb403696d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.C的渐近线方程为![]() |
B.双曲线C的焦点到渐近线的距离为![]() |
C.当![]() ![]() |
D.设MA,MB的斜率分别为![]() ![]() |
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2 . 双曲线
的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f9e360c0b4c69ebac7dfdd103b8446.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知双曲线
的右焦点为
,过
作双曲线
的其中一条渐近线
的垂线,垂足为
(第一象限),并与双曲线
交于点
,若
,则
的斜率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c068128e953da51ea67a24945ffee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知双曲线
,
,
分别为其左、右焦点.
,
的坐标和双曲线
的渐近线方程;
(2)如图,
是双曲线
右支在第一象限内一点,圆
是△
的内切圆,设圆与
,
,
分别切于点
,
,
,当圆
的面积为
时,求直线
的斜率;
(3)是否存在过点
的直线
与双曲线
的左右两支分别交于
,
两点,且使得
,若存在,求出直线
的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67d334f7926abd3ec6782534c5dab9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5a8e1bc9748e5519dcd9981b7eb251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b3a91ccf6028608cd03df7072f6536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
(3)是否存在过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d981eca505f4e7cb144e24803f5cb88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5 . 已知双曲线
的焦距为
,则
的渐近线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60aa8bc4803986c1f5ee7eaeda2cc58d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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6 . 双曲线
(
,
)的左、右焦点分别是
,
,P,Q(P在第一象限)是双曲线的一条渐近线与圆
的两个交点,点M满足
,
,其中O是坐标原点,则双曲线的离心率
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31b674c2ee66f121fb6bb9d82765ca74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/020a00db107191c927757d5514f0ce33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ce2b47812fce4b17fd813d0e4cce21.png)
A.![]() | B.![]() | C.2 | D.3 |
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7 . 双曲线
的两条渐近线与圆
没有公共点,则实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421d518bbdc7ecbb69bd8b6eb697ce4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36b94cc0e4ee96321f89073c6e57658.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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8 . 已知双曲线
的一条渐近线与直线
垂直,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
9 . 由伦敦著名建筑事务所SteynStudio设计的南非双曲线大教堂惊艳世界,该建筑是数学与建筑完美结合造就的艺术品,若将如图所示的大教堂外形弧线的一段近似看成双曲线
下支的一部分,且此双曲线的下焦点到渐近线的距离为2,离心率为2,则该双曲线的渐近线方程为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/965017ac28701e1bc9afe7668c751950.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/f0dac5c1-8431-4647-a706-a556d53ef191.png?resizew=434)
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10 . 已知双曲线
的右焦点为
,若
关于渐近线
的对称点
恰好落在渐近线
上,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be92f0e0012a7696c78e3e00513edefd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac89d45e79b10741d93a9443c70adde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92febb64725497dd891a525e6f998e35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48019a2f1fb1c67b794a50ed576f1fd8.png)
A.![]() | B.2 | C.3 | D.![]() |
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