1 . 已知焦点在
轴上,中心在原点,离心率为
的椭圆经过点
.
(1)求椭圆
的方程;
(2)若动点
,
(不与定点
重合)均在椭圆上,且直线
与
的斜率之和为1,
为坐标原点
(ⅰ)求证:直线
经过定点;
(ⅱ)求
的面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97caea8ea20c118920d887d2ee9ac83d.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)若动点
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(ⅰ)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2 . 设等差数列
的前
项和为
.在同一个坐标系中,
及
的部分图象如图所示,则下列说法不正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/18cfc086-8744-4234-a720-22648939c0ab.png?resizew=298)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a8e45e81b090fbef1273dc0f30ba23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6046f87bf2ee8a77f370e9de765940a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/18cfc086-8744-4234-a720-22648939c0ab.png?resizew=298)
A.当![]() ![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() |
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名校
3 . 已知函数
的图象过点
.
(1)若关于
的方程
在
有实根,求实数
的取值范围;
(2)若函数
,则是否存在实数
,对任意的
,存在
,使
成立?若存在,求出
的取值范围,若不存在,请说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2adbc26cc02bf54c422738fba4bc4483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613572edb9e8c1e60f609a19e27362ea.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b4874cf36b6082ba4d539ff3ee69a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9ec9c83a66e586d3601b1f1440ebb5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4474bd96f620ebf3759b36cb6a1251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c7f93185d5e8863c8977d3aafe9c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f64b6734d1f62550d9864c0ba7f1c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c96d62bb7eb9d3a4738717a9005d261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
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4 . 若函数
有两个零点,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992673f2428acad25b02245ce76d589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
5 . 设抛物线
,过焦点
的直线与抛物线
交于点
、
.当直线
垂直于
轴时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/11804ba6-02c8-411e-94fb-ae09a83adffc.png?resizew=145)
(1)求抛物线
的标准方程.
(2)已知点
,直线
、
分别与抛物线
交于点
、
.求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b527ec9f92467b8f24554a2a67ee987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/24/11804ba6-02c8-411e-94fb-ae09a83adffc.png?resizew=145)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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2024-01-09更新
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5卷引用:宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(二)
宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(二)安徽省合肥市第一中学2023-2024学年高二上学期1月考数学考试试题广东省广州市广东实验中学2024届高三上学期大湾区数学冲刺卷(三)(已下线)模块七 圆锥曲线(测试)(已下线)专题18 圆锥曲线高频压轴解答题(16大题型)(练习)
名校
解题方法
6 . 若定义域为的函数
满足
,且
,若
恒成立,则m的取值范围为
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4卷引用:宁夏银川市第二中学2023-2024学年高二上学期期末数学试题
宁夏银川市第二中学2023-2024学年高二上学期期末数学试题(已下线)专题1.7利用导函数构造原函数(强化训练)-2023-2024学年高二数学下学期重难点突破及混淆易错规避(人教A版2019)(已下线)高二下学期第一次月考填空题压轴题十四大题型专练-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第三册)(已下线)高二下学期第一次月考数学试卷(提高篇)-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第三册)
名校
解题方法
7 . 已知椭圆
的两个焦点为
,
,点
,
为
上关于坐标原点对称的两点,
,
的面积记为
,且
,则
的离心率的取值范围为( )
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6297372e4b605fd93cd77099afd3c527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50667ce76318b23b69ac6b8e16dc80d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2491c4c81e3bffae9cc8ff77bec6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(五)四川省眉山市仁寿县2023-2024学年高二上学期12月联考数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)(已下线)高二数学开学摸底考02(人教B版2019,范围:选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷
8 . 如图,小明同学先把一根直尺固定在画板上面,把一块三角板的一条直角边紧靠在直尺边沿,再取一根细绳,它的长度与另一直角边相等,让细绳的一端固定在三角板的顶点A处,另一端固定在画板上点F处,用铅笔尖扣紧绳子(使两段细绳绷直),靠住三角板,然后将三角板沿着直尺上下滑动,这时笔尖在平面上画出了圆锥曲线C的一部分图象.已知细绳长度为3,经测量,当笔尖运动到点P处,此时,
,
.设直尺边沿所在直线为a,以过F垂直于直尺的直线为x轴,以过F垂直于a的垂线段的中垂线为y轴,建立平面直角坐标系.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/3280b562-4d23-4d61-98de-88a447bfabe8.jpg?resizew=138)
(1)求曲线C的方程;
(2)斜率为k的直线
过点
,且与曲线C交于不同的两点M,N,已知k的取值范围为
,若
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b885ab7c607be0dbd27c1e57941e81f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc603cd2426c2eb1a7f330d768e5d2cb.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/20/3280b562-4d23-4d61-98de-88a447bfabe8.jpg?resizew=138)
(1)求曲线C的方程;
(2)斜率为k的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d307720f68b610bf1a7660f0c46424b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4772c835cbe626040ecc4df30e6f0ccc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0df31126849d010525cbeee019bae5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-12-21更新
|
498次组卷
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3卷引用:宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(五)
9 . 已知椭圆
的中心为
,
、
是椭圆
上的两个不同的点且满足
,给出下列四个结论:
①点
在直线
上投影的轨迹为圆;
②
的平分线交
于
点,
的最小值为
;
③
面积的最小值为
;
④
中,
边上中线长的最小值为
.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e2288109e13b7dd099f8dba9bd4997c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
其中所有正确结论的序号是
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2023-12-20更新
|
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2卷引用:宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(五)
名校
10 . 已知双曲线
,过点
的两条直线
分别与双曲线
的上支、下支相切于点
.若
为锐角三角形,则双曲线
的离心率的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aa3c907b65459cfd72361da90f109b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf709133e06d3a71001354164b7d603.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-13更新
|
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