名校
解题方法
1 . 已知点A、
分别是椭圆
:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的上、下顶点,
、
是椭圆的左、右焦点,
,
.
(1)求椭圆
的标准方程;
(2)过点
的直线与椭圆
交于不同两点
、
(
、
与椭圆上、下顶点均不重合),证明:直线
、
的交点在一条定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82eb4ba631d0f50d848aa6e576b379.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/9ba7267be8fb3db5ec612fb9d8950239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cef568cfe2fc12a4dec11533ada274.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
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2 . 已知函数
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c36cdd14a31bf6e179037189b27109.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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解题方法
3 . 直线
与双曲线
的左、右支分别相交于
两点,
为坐标原点,
是双曲线右焦点,若
,则双曲线的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53deda2ba83a7528721d0584a0a8041f.png)
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解题方法
4 . 数列中,
,若
恒成立,则实数
的最大值为( )
A.3 | B.6 | C.12 | D.15 |
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5 . 如图,过双曲线
右支上一点P作双曲线的切线l分别交两渐近线于A、B两点,交x轴于点D,
分别为双曲线的左、右焦点,O为坐标原点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/e600e9d7-0f92-48c2-83a6-54407e5e7d16.png?resizew=183)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176569a223942b06f78d81633e2467b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/e600e9d7-0f92-48c2-83a6-54407e5e7d16.png?resizew=183)
A.![]() |
B.![]() |
C.![]() |
D.若存在点P,使![]() ![]() ![]() |
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2023-04-06更新
|
548次组卷
|
2卷引用:湖北省襄阳市第一中学2022-2023学年高二上学期期末数学试题
解题方法
6 . 已知定义在
上的函数
的图象连续不断,若存在常数
,使得
对于任意的实数
恒成立,则称
是回旋函数.给出下列四个命题,正确的命题是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a3c9da7823f6559dc13011f01a6a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3992d93b8257ca1c354b4c47d7e7afb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.函数![]() ![]() ![]() ![]() |
B.函数![]() |
C.若函数![]() ![]() |
D.函数![]() ![]() ![]() ![]() |
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2023-02-04更新
|
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名校
7 . 存在函数
满足:对于任意
都有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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|
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3卷引用:湖北省襄阳市第四中学2022-2023学年高一上学期期末数学试题
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8 . 点
在圆
上,点
,点
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4928d98ba8479ffddebfad6843ec02e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
A.过点![]() ![]() |
B.点![]() ![]() ![]() |
C.圆![]() ![]() ![]() |
D.当![]() ![]() |
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9 . 函数
满足
,且当
时,
,则函数
与函数
的图象的所有的交点的横坐标与纵坐标之和等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e298fe246eef819dd9b1edabe3bb9cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ebc681fab9361a45a8b1e6458d415c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de3f5c6b12542197e6e98f90f0874b37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c71ecc4a8dada1dc0bd99034fad19b7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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4卷引用:湖北省襄阳市第一中学2022-2023学年高一上学期期末数学试题
湖北省襄阳市第一中学2022-2023学年高一上学期期末数学试题福建省永春第一中学2022-2023学年高一上学期期末考试数学试题(已下线)模块六 专题3 全真能力模拟1 期末研习室高一人教A陕西省西安铁一中学2023-2024学年高一上学期期末考试数学试卷
名校
解题方法
10 . 设函数
,方程
有四个不相等的实根
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ea969b23d1208ad3e2f9cd402bdb70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70a32a75d1662b3cd2a23300439fb82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35f8a296683713ac90539c66e34ca93.png)
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|
1642次组卷
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7卷引用:湖北省襄阳市第一中学2022-2023学年高一上学期期末数学试题