名校
解题方法
1 . 已知向量
,
,满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ad2e0f39e291976fcffd82bd5182c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180583e27205ded4602125c8685d04de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd3677818426ba134bf93ed651b123e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56c7f4315bd8f89cb2cf6272a2936d1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:山东省菏泽第一中学八一路校区2023-2024学年高三下学期三月份月考数学试题
2 . 已知数列
的前n项和为
,
且
,令
.
(1)求证:
为等比数列;
(2)求使
取得最大值时的n的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f4e1236d7dc0366d9523d0cbb426be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ccf4e9b36c61b9f57f07d8f41164e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17be2d7ecea4830c909b88602a84872f.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
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2卷引用:山东省菏泽市单县第一中学2024届高三下学期3月月考数学试题
3 . 某公司现有员工120人,在荣获“优秀员工”称号的85人中,有75人是高级工程师.既没有荣获“优秀员工”称号又不是高级工程师的员工共有14人,公司将随机选择一名员工接受电视新闻节目的采访,被选中的员工是高级工程师的概率为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
4 . 在平面直角坐标系
中,已知双曲线
经过点
,点
与点
关于原点对称,
为
上一动点,且
异于
两点.
(1)求
的离心率;
(2)若△
的重心为
,点
,求
的最小值;
(3)若△
的垂心为
,求动点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e7dd53895e16d6897807a2896fc6a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed726ed2593eb9188921327e975f9b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83e7915cbe166f565480b4cd8e65064d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad7d23d4f032debf57dcb7f40d3c9c53.png)
(3)若△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ed726ed2593eb9188921327e975f9b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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6卷引用:山东省菏泽市第二中学西安路校区2024届高三下学期3月月考数学试题
名校
5 . 已知动点
在直线
上,过
总能作圆
的两条切线,切点为
,且
恒成立,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fa2b6cc7bff302446c81894178be5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccabc6a266e5e8d027aa86d0a0881c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f062751efd9643cbaa5efc23d47cf63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
6 . 已知函数
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9394c75026c5575a5e73c1fc139ef17c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b0e2ab76ae5e782f0017ca5fbc7295.png)
A.10000 | B.10082 | C.10100 | D.10302 |
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名校
解题方法
7 . 已知向量
满足
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41231e312ff8004323d8adedb3ad022b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbdd4242ad182ffcfdaee220bcc77da.png)
A.4 | B.3 | C.2 | D.0 |
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名校
8 . 已知函数
,
,
为常数.
(1)求
的单调性;
(2)令
,若
且
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2399c2a712a2890dcd0b195d3b9f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccea4fc613ed248eccae643ff009fcbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbb660534ebec95b0195fe34be3939b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047924127385f58348d477b18295d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b050ed9f77b13ebaaa41f55c9aad848a.png)
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名校
9 . 关于函数
,下列判断正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d42bc1614c3372edf362b4c07154fba.png)
A.![]() ![]() |
B.函数![]() |
C.存在正实数![]() ![]() |
D.对任意两个正实数![]() ![]() ![]() ![]() |
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10 . 在
中,点
分别为
的中点,
与
交于点
,
.
(1)若
,求中线
的长;
(2)若
是锐角三角形,求四边形
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cf157cd71f96c4cc92e0f466dce83f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ea38caeaba10066e0805f06cb9341d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c7e2f924aac4b1fe740a0c5c201020.png)
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