名校
解题方法
1 . 已知双曲线E:
的两条渐近线与抛物线C:
分别相交于点O,M,N,其中O为坐标原点,若
的面积为2,则E的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
A.![]() | B.![]() | C.2 | D.![]() |
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解题方法
2 . 已知椭圆
的左、右焦点分别为
,直线
与椭圆交于
两点,直线
与椭圆交于另一点
,若直线
与
的斜率之积为
,则椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca8b6ac96dfe0046b7ca1745176ca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 双曲线
:
的左,右顶点分别为
,曲线
上的一点
关于
轴的对称点为
,若直线
的斜率为
,直线
的斜率为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c477e5ade921ffa8377c4719319380ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549f99e6e10e61af2e7734c4d01ea90c.png)
A.3 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-30更新
|
300次组卷
|
2卷引用:广东省佛山市顺德区罗定邦中学2024届高三下学期冲刺实战演练数学试卷
名校
解题方法
4 . 曲线
与
的离心率之积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65bf8a61dd9f44bb0d6fefa361153072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64f453a810ed63affd7e953708f53ed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知
,
是双曲线C的两个焦点,P为C上一点,且
,
,则C的离心率为( )
![](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/0de4412a055cb1a28297bbe606a071db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29aa3bd463abf39a3f63e077abcc28.png)
A.![]() | B.![]() | C.![]() | D.3 |
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6 . 法国数学家加斯帕尔·蒙日在研究圆锥曲线时发现:椭圆的两条相互垂直切线的交点轨迹为圆,我们通常称这个圆为该椭圆的蒙日圆.根据此背景,设
为椭圆
的一个外切长方形(
的四条边所在直线均与椭圆
相切),若
在第一象限内的一个顶点纵坐标为2,则
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27542005469d5cf9863f2f32974d343d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.26 | C.![]() | D.![]() |
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7 . 已知抛物线C:
(
)的焦点为F,C的准线与x轴的交点为M,点P是C上一点,且点P在第一象限,设
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf050f3aca32cf6a32e1282a606ee7d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f8308bd51c4764f4ce5fee8ddb24dd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-05-16更新
|
486次组卷
|
2卷引用:广东省茂名市高2024届高三下学期高考模拟数学试题
解题方法
8 . 已知椭圆的长轴长是短轴长的
倍,则该椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/619096595112f0340a43b756e114dd3d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆
的离心率为
,则椭圆
的长轴长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8388658f4286773b1330353f430d3d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
10 . 已知在平面直角坐标系
中,双曲线
的右焦点为
,点
为双曲线右支上一点,直线
交双曲线于另一点
,且
,直线
经过椭圆
的下顶点,记
的离心率为
的离心率为
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636c6ed51357a127b7f6299aabe0d083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c39c304dac39a1f9aa09f5386f9c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d95e1512cc5d279b9224c7a6ab78c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522230546d4b802094e86ceb48c2ba38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d387d0270a50a9451a925b45c1d9404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33a99190a8fd29c36d5a002e3197cc5.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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