解题方法
1 . 已知双曲线
的左、右顶点分别为
,右焦点为
,一条渐近线的倾斜角为
的离心率为
在
上.
(1)求
的方程;
(2)过
的直线
交
于
两点(
在
轴上方),直线
分别交
轴于点
,判断
(
为坐标原点)是否为定值?若是定值,求出该定值;若不是定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c40c376377e4a31da4dc4a007e976de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90278d46e773f198f9fcf00ed068e104.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f7d6b12e8ff89eb592379b320189b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)过
![](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/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaecdbcf9d0518f42e0f28ea9d1e3f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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名校
解题方法
2 . 已知双曲线
的左、右顶点分别为
,
,渐近线方程为
,过左焦点
的直线
与
交于
,
两点.
(1)设直线
,
的斜率分别为
,
,求
的值;
(2)若直线
与直线
的交点为
,试问双曲线
上是否存在定点
,使得
的面积为定值?若存在,求出定点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.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/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030700126fb012f13935f57780b96677.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e29303195c563855aee4c14cbcb9bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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|
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名校
解题方法
3 . 已知双曲线
与双曲线
的渐近线相同,且M 经过点 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace9fcc08faacf15593012ec13916374.png)
的焦距为4.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/f427b0cb-5844-4b12-9df7-2a90b8cd59ce.png?resizew=164)
(1)求M 和
的方程;
(2)如图,过点 T(0,1)的直线 l(斜率大于0)与双曲线 M 和 N 的左、右两支依次相交于A,B,C,D,若
求直线 l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31380cee127ebeb85e866d355fc1eca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c97cdfbccfac205f7b826a73d3579a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace9fcc08faacf15593012ec13916374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/f427b0cb-5844-4b12-9df7-2a90b8cd59ce.png?resizew=164)
(1)求M 和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)如图,过点 T(0,1)的直线 l(斜率大于0)与双曲线 M 和 N 的左、右两支依次相交于A,B,C,D,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643adde2c8f41e319097b20af7e2f578.png)
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2024-03-24更新
|
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2卷引用:江西省九江市同文中学多校联考2024届高三下学期3月月考数学试题
名校
解题方法
4 . 已知双曲线E:
的右焦点为
,一条渐近线方程为
.
(1)求双曲线E的方程;
(2)是否存在过点
的直线l与双曲线E的左右两支分别交于A,B两点,且使得
,若存在,求出直线l的方程;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b856a35984c7a625a5c3e1c9b8b4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3960b496f1bf6ef2b07963106f016e.png)
(1)求双曲线E的方程;
(2)是否存在过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d981eca505f4e7cb144e24803f5cb88a.png)
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2024-03-03更新
|
544次组卷
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2卷引用:江西省丰城中学2023-2024学年高二下学期3月月考数学试题
解题方法
5 . 在平面直角坐标系
中,双曲线C:
的渐近线的方程为
,焦距为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/52f43616-e533-4692-8731-d931108be908.png?resizew=159)
(1)求
的方程;
(2)如图,点
为
的下顶点,点
在
轴上(位于原点与上顶点之间),过
作
轴的平行线
,过
的另一条直线交
于
两点,直线
分别交
于
两点,若
,求
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66e6225d30a05e50c12a1295fb7a750d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd989cfcc0970fc270648dacb261d2aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/52f43616-e533-4692-8731-d931108be908.png?resizew=159)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,点
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4223fff2119423a02d73e5a2b0ff77d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d1527bd801714a397a1995f0242475.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad57e3727b7bbd795b05332fbf9649e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c03778677dd067a6aef94df60847fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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6 . 双曲线
的左、右焦点分别为
,一条渐近线方程为
,则
的值为______ .若点
在双曲线
上,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5ecc35b2ad878d62f4c4210023de15.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4e77ee93eed41774f3a44ab3e5436b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27ad0481b4eba360acafcc03919d4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5ecc35b2ad878d62f4c4210023de15.png)
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解题方法
7 . 设双曲线C的中心为坐标原点,渐近线方程为
,且C过点
.
(1)求C的方程;
(2)设不过原点的直线
与C的两支分别交于A,B两点,且
的面积为
.记
,求动点P的轨迹.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3051f43ac48c0a730a791b8a93ad37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/937dbb96343b8a9e52718e785e9eda43.png)
(1)求C的方程;
(2)设不过原点的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c07068fb03c28403f6c4806ce8af593.png)
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8 . 已知双曲线
经过点
,且
的一条渐近线的方程为
.
(1)求
的标准方程;
(2)若点
是
的左顶点,
是
上与顶点不重合的动点,从下面两个条件中选一个,求直线
与
的斜率之积.
①
关于原点对称;②
关于
轴对称.
注:若选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1362c0809439106817fa2572994bb8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc5dd4d07e2098d8d1b731f2622867f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
注:若选择多个条件分别解答,按第一个解答计分.
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2024-02-14更新
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名校
解题方法
9 . 已知双曲线
的渐近线方程为
,则该双曲线的方程可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fbe777bc77afced15907fb26e06c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10273b05ad8210d8db07639c4d149fd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-01-19更新
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3卷引用:江西省宜春市宜丰县宜丰中学2023-2024学年高二上学期1月月考数学试题
名校
解题方法
10 . 已知双曲线
的右焦点为
.
(1)若双曲线的一条渐近线方程为:
,且
,求双曲线
的方程.
(2)以原点 O 为圆心,
为半径作圆,该圆与双曲线在第一象限的交点为
,过
作圆的切线且斜率为
,求双曲线的离心率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec212fdb33e28282811a36a542a98a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24550b13dbecf7d86c7054250e987274.png)
(1)若双曲线的一条渐近线方程为:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d532ce76942846df88c6f66112e50f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6de1d395e6c48c0676a1488a299479d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)以原点 O 为圆心,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47153fdd73c0661fa460130082e30929.png)
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2024-01-24更新
|
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