名校
1 . 设椭圆
的左右焦点为
,P是C上的动点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533b93dd6eb6b474481247736699c76c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
A.![]() | B.离心率![]() |
C.短轴长为2,长轴长为4 | D.![]() |
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2023-11-05更新
|
998次组卷
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4卷引用:辽宁省大连市第十六中学2023-2024学年高二上学期期中考试数学试卷
辽宁省大连市第十六中学2023-2024学年高二上学期期中考试数学试卷(已下线)第三章 圆锥曲线的方程【单元基础卷】-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)重庆市第十一中学校2023-2024学年高二上学期期中数学试题(已下线)第三篇 努力 “争取”考点 专题8 圆锥曲线的定义应用【练】
2 . 已知椭圆
经过点
为椭圆
的右焦点,
为坐标原点,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/e5b5ae79-3024-4eeb-b827-f8f8a3feb6e9.png?resizew=184)
(1)求椭圆
的标准方程:
(2)椭圆
的左、右两个顶点分别为
,过点
的直线
的斜率存在且不为0,设直线
交椭圆
于点
,直线
过点
且与
轴垂直,直线
交直线
于点
,直线
交直线
于点
,则
是否为定值?若是,求出该定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68679118d469619e87c8b747334c5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2ce6d23fb52cc513580a8f0e6760c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/e5b5ae79-3024-4eeb-b827-f8f8a3feb6e9.png?resizew=184)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f831e20ce2fcea2ca2745d6f8961fcd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24083e515c172c1d030958dd2338bfe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ae93479f71c86ffa37131326cfd993.png)
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3 . 如图,在四棱锥
中,底面
是边长为2的菱形,
为等边三角形,平面
平面
.
(1)求直线
与平面
所成角的正弦值.
(2)
为线段
上一点.若直线
与平面
所成的角的正弦值为
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ff054e35758a98587f2709b484f03e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/8f393feb-bcf6-40b9-a8a0-d708bff82d97.png?resizew=166)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ec13ca7115ccd73a9d793758f1c170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
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解题方法
4 . 已知椭圆
的中心是坐标原点
,它的短轴长为
,一个焦点
的坐标为
,过点
且垂直于
轴的直线与椭圆
交于
两点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/69c0de5a-62c1-4698-a750-60cacee7f838.png?resizew=210)
(1)求椭圆
的方程;
(2)若过点
的直线与椭圆
相交于
两点,且
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29850e5d4c1c3012e8021afee951729f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a67e9c458d784d78ad4eb55536f9e9e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/69c0de5a-62c1-4698-a750-60cacee7f838.png?resizew=210)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7908e8e2ca67ad0f739860222423950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7df99fe6438442a9453fc0c57fb703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2023-11-03更新
|
859次组卷
|
2卷引用:辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题
名校
解题方法
5 . 如图,在四棱锥
中,底面
是矩形,
为棱
的中点,且
为棱
上的一点,若
与平面
所成角的正弦值为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c1768e994eab478314beb610cf13436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8f022218ee8f8a1679cae7c733412c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5000fea066102e62cf2128ccbbd2b3e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1039601edd7326b628a3201a3d4af948.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/25/3ac40425-393d-454a-a9bf-72c90b0308d8.png?resizew=159)
您最近一年使用:0次
2023-11-03更新
|
709次组卷
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4卷引用:辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题
辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题上海市宝山区上海交通大学附属中学2023-2024学年高二上学期12月数学卓越测试题(已下线)3.4.3 求角的大小(九大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)第七章 应用空间向量解立体几何问题拓展 专题二 平面法向量求法及其应用 微点3 平面法向量求法及其应用综合训练【基础版】
名校
解题方法
6 . 已知点
是椭圆
的左焦点,
是椭圆上任意一点.则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf28745d92303376ae1b1ff73a1bc0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c763113a1fc48e8acc83787b8cd24eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36827b7430d97ae6acb9b2d9ba5ccd92.png)
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7 . 已知空间向量
两两夹角均为
,其模均为1,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac040a9ccde3437fa73e155dabb665f7.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/260200d547998bcac50a4a491382e7f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac040a9ccde3437fa73e155dabb665f7.png)
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2023-11-03更新
|
1184次组卷
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4卷引用:辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题
名校
8 . 下列命题中是假命题的为( )
A.若非零向量![]() ![]() ![]() ![]() |
B.若平面![]() ![]() ![]() |
C.已知![]() ![]() ![]() ![]() ![]() |
D.若两个空间非零向量![]() ![]() ![]() |
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4卷引用:辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题
辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题四川省成都市武侯高级中学2023-2024学年高二上学期期中数学试题(已下线)模块一 专题2 A 空间向量的应用基础卷 期末终极研习室高二人教A版(已下线)专题01 空间向量与立体几何(1)
名校
解题方法
9 . 已知
是椭圆
上一点,
分别是椭圆的左、右焦点、若
的周长为6,且椭圆上的点到椭圆焦点的最小距离为1,则椭圆的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7638c88f01d609d79947033ed4ff36a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-03更新
|
3177次组卷
|
5卷引用:辽宁省大连市第二十四中学2023-2024学年高二上学期期中数学试题
名校
10 . 已知椭圆
,直线
,则
与
的位置关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4402aeb853b22f20992156957ef0fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c000701fe34aff4652d99090371b9e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.相交 | B.相切 | C.相离 | D.以上选项都不对 |
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