名校
解题方法
1 . 下列结论正确的是( )
A.“![]() ![]() |
B.命题“![]() ![]() ![]() ![]() |
C.![]() |
D.若![]() ![]() ![]() |
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2023-11-14更新
|
288次组卷
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4卷引用:广东省佛山市顺德区国华纪念中学2023-2024学年高一上学期期中数学试题
解题方法
2 . 已知O为坐标原点,椭圆
的左右焦点分别为
,
,
,P为椭圆的上顶点,以P为圆心且过
,
的圆与直线
相切.
(1)求椭圆C的标准方程;
(2)已知直线
交椭圆C于M,N两点.若直线l的斜率等于1,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/a2644e9f73e5871db934fdafc431d675.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/f2d9da11b6082b4bc914e43a277afad3.png)
(1)求椭圆C的标准方程;
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
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3 . 已知集合
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b288178c45817370cd57fbeae88fdd.png)
(1)若
,求
;
(2)若
是
的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a217794bb390938cd4c56e239e1085f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b288178c45817370cd57fbeae88fdd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9d19598537de95fa02534b1e9b467d1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 下列命题正确的是
( )
![](https://img.xkw.com/dksih/QBM/2023/11/13/3367128233566208/3367148311879680/STEM/05b42ca71bc149538c2db18fdcb97243.png?resizew=4)
A.“关于![]() ![]() ![]() ![]() |
B.已知函数![]() ![]() ![]() ![]() |
C.“![]() ![]() |
D.命题“![]() ![]() ![]() |
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5 . 已知圆
的圆心为
,点
是圆
上的动点,点
,线段
的垂直平分线交
于
点,则点
的轨迹
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c95cccf9bdd483370ec3d1e45a787f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d70b4a9d6ed047b88c5b1070fbdc1ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.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/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
6 . 已知椭圆
的左、右焦点分别为
,
,M是C上的动点,
的面积的最大值为9,则椭圆C长轴长的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/b42fc33bcfc63ec2f4940ccd3f862400.png)
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解题方法
7 . 设命题
不等式
恒成立;命题q:
,使
成立.
(1)若p为真命题,求实数m的取值范围;
(2)若命题
至多有一个是真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b914760e9fec9ff6261546d031759b9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5893b0b595b6831b2a600e7eac3aef50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2065aa40fd6385a2eef0cd94daefcb6.png)
(1)若p为真命题,求实数m的取值范围;
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a550c916c64f621010e604a30ef67566.png)
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2023-11-13更新
|
161次组卷
|
2卷引用:广东省广州市培英中学2023-2024学年高一上学期期中数学试题
名校
解题方法
8 . 已知椭圆
的两个焦点分别为
,椭圆上一点
满足
,且
,则椭圆的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093bec291d374725e9e4810847568a72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb6eb6069780a4a57145d8fae1c6b48.png)
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2023-11-13更新
|
1072次组卷
|
2卷引用:广东实验中学2023-2024学年高二上学期期中数学试题
名校
解题方法
9 . 已知椭圆
,
,
分别为它的左右焦点,点
是椭圆上的一个动点,下列结论中错误的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee9ce51f55008258322bbe19810f62d.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/dad2a36927223bd70f426ba06aea4b45.png)
A.点![]() ![]() | B.焦距为![]() |
C.若![]() ![]() ![]() | D.![]() ![]() |
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解题方法
10 . 已知椭圆
的焦距为
,且经过点
.
(1)求椭圆
的方程;
(2)经过椭圆右焦点
且斜率为
的动直线
与椭圆交于
、
两点,试问
轴上是否存在异于点
的定点
,使得直线
和
关于
轴对称?若存在,求出
点坐标,若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过椭圆右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e98c4b3f3fe826e124ca7d199d4ca4b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817a419430d9951cbdb89b657b21bcf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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