名校
1 . 设
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd390093f9d7bf8c6a8c83ddfc7be77.png)
A.若![]() ![]() | B.若![]() ![]() |
C.![]() | D.![]() |
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2卷引用:河南省许昌市许昌高级中学2024届高三下学期三模数学试题
2 . 设点
分别为椭圆
的左、右焦点,点
是椭圆
上任意一点,若使得
成立的点
恰好有4个,则实数
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a9859040e01b972363d182a9e8b68f.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/3e3f19ff9d533161dedf49cf9a921341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.0 | B.2 | C.4 | D.6 |
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2卷引用:河南省许昌市魏都区许昌高级中学2024届高三下学期5月月考数学试题
名校
3 . 已知函数
,若关于x的方程
的不同实数根的个数为6,则a的取值范围为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/489e175ef56f4e5d00f480adae5bf37f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7279bc9dd0aaad4e72bfac3fd69048b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 已知点集
,且
,
,点O是坐标原点,其中正确结论的个数有( )
①点集M表示的图形关于x轴对称
②存在点P和点Q,使得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e8b17a7840ae7b75590da92fa0965b.png)
③若直线
经过点
,则
的最小值为2
④若直线
经过点
,且
的面积为
,则直线
的方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad8f0339d0b1ed15e016478ecb0c812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99410abc1d628453cf3a0aac800bf154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b02a4fd3d5f75496756117a420386a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
①点集M表示的图形关于x轴对称
②存在点P和点Q,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e8b17a7840ae7b75590da92fa0965b.png)
③若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d518b321289c322803177fcb4caccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
④若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad8f0339d0b1ed15e016478ecb0c812.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2卷引用:河南省许昌市魏都区许昌高级中学2024届高三下学期5月月考数学试题
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解题方法
5 . 已知第一象限内的点P在双曲线
(
,
)上,点P关于原点的对称点为Q,
,
,是C的左、右焦点,点M是
的内心(内切圆圆心),M在x轴上的射影为
,记直线
的斜率分别为
,
,且
,则C的离心率为( )
![](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/709dd83332fdd081a71c83c83215ecf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0278c5f8f38432759530a56a1d5aebf.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/9a766795c238775ab6217bc69ce2f541.png)
A.2 | B.8 | C.![]() | D.![]() |
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6 . 已知抛物线
的焦点为
,抛物线
的准线与
轴相交于点
.过点
作直线
与抛物线相交于
两点,连接
,设直线
与
轴分别相交于
两点,若
的斜率与
的斜率的乘积为
,则
的大小等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ac6188f40414f76bc754dee4a75809.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867c2ad286e5596fea9440b4c0f7dd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867c2ad286e5596fea9440b4c0f7dd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbbc9c5353894f2c93c205c3ac04f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8671cf3e119da517ee6ce60844839dd2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 若过点
可以作曲线
的两条切线,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db192285632d1991b4ee7a003a52205.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 若方程
表示双曲线,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bafbee1379b98d74fbf8f7b643b39cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() ![]() | B.![]() |
C.![]() ![]() | D.![]() |
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2卷引用:河南省许昌市2023-2024学年高二上学期期末教学质量检测数学试题
9 . 已知
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1d32d1a5a0732c7e4af737555e44ff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d217c7b12e12e5fb67472452518859ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b7345527910e03453d8657b2efbb02.png)
A.充分不必要条件 | B.必要不充分条件 | C.充要条件 | D.既不充分也不必要条件 |
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10 . 若
:
,
:
,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ef5204f0de29e3c3a4178993dbd704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b59a03f9f0223798ba246cbabb884a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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