1 . 如图所示,在三棱锥A-BCD中,
,
,三棱锥E-ACD是正三棱锥,
.
![](https://img.xkw.com/dksih/QBM/2021/12/22/2877997271408640/2924883542155264/STEM/e7ba6819-4228-48b1-9007-f27634b38241.png?resizew=184)
(1)求证:
平面BCD;
(2)求直线BC与平面ADE所成角的正弦值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ba6b70b5abf8672f3fd9ae0a2b8128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59bc3943c9bc08400c3751b31c7ce00.png)
![](https://img.xkw.com/dksih/QBM/2021/12/22/2877997271408640/2924883542155264/STEM/e7ba6819-4228-48b1-9007-f27634b38241.png?resizew=184)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc521258fcaeaf7acffc5ae98c3af6d9.png)
(2)求直线BC与平面ADE所成角的正弦值
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2 . 已知点
满足
,点A,B关于点
对称且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8baf7d02bad85e28b8f53cdea40dd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c92368e484aead778040d3e4e2c9c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae5a64bcb77f5f64e4af6930c249a270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a33e5d0dbdd0f15854f0d7dd8b53058.png)
A.10 | B.9 | C.8 | D.2 |
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3 . 已知中心在原点的双曲线C的右焦点为
,实轴长为4.
(1)求双曲线C的方程;
(2)若直线l:
与双曲线C左支交于A,B两点,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2bb2ff0cf1ae6dec186d4090d9c9c6.png)
(1)求双曲线C的方程;
(2)若直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
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4 . 已知抛物线
的焦点为F,准线为l.
(1)求抛物线上任意一点Q到定点
的距离的最小值;
(2)过点F作一直线与抛物线相交于A,B两点,并在准线l上任取一点M,当M不在x轴上时,证明:
是一个定值,并求出这个值(其中
分别表示直线MA,MB,MF的斜率).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
(1)求抛物线上任意一点Q到定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb9bb87aa2639e15dd182f05b186442.png)
(2)过点F作一直线与抛物线相交于A,B两点,并在准线l上任取一点M,当M不在x轴上时,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6495bd0e07a4f60ecbbd2565e95fc86b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f093901cfb9f13a6c40cc3e0344287b.png)
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5 . 如图,双曲线
的左顶点为P,左、右焦点分别为
,以线段
为直径的圆O与双曲线在第一象限内交于Q点,与其渐近线交于E点,且直线
与双曲线的斜率小于O的渐近线
平行.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/8332b7ee-4e31-451f-bd40-2500c53e07af.png?resizew=220)
(1)求双曲线C的离心率;
(2)若直线
交双曲线于B点,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4e9ee390c8211b27fc8f9bcf6af934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/8332b7ee-4e31-451f-bd40-2500c53e07af.png?resizew=220)
(1)求双曲线C的离心率;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4e9ee390c8211b27fc8f9bcf6af934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d0d51714c41e26f4b7c198d77b83dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32705e629d8b9187b53efeee6605af15.png)
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6 . 已知抛物线
,点Q在x轴上,直线
与抛物线C交于M,N两点,若直线QM与直线QN的斜率互为相反数,则点Q的坐标是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca3bcbd8a6e7b13f3f42b0730361ab97.png)
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2022-02-26更新
|
2886次组卷
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12卷引用:河南省新乡市原阳县第一高级中学2021-2022学年高二上学期12月数学(文)试题
河南省新乡市原阳县第一高级中学2021-2022学年高二上学期12月数学(文)试题广东省湛江市2020-2021学年高二上学期期末数学试题广西壮族自治区贵港市桂平市2019-2020学年高二上学期期末数学(文)试题广西壮族自治区贵港市桂平市2019-2020学年高二上学期期末数学(理)试题辽宁省辽阳市2019-2020学年高二上学期期末数学试题广东省2019-2020学年高二上学期期末数学试题安徽省皖西南联盟2019-2020学年高二上学期期末数学(文)试题安徽省淮北市濉溪中学2019-2020学年高二上学期期末数学(文)试题广东省云浮市2019-2020学年高二上学期期末数学试题人教B版(2019) 选择性必修第一册 过关斩将 第二章 平面解析几何 2.8 综合拔高练(已下线)专题11 解析几何2(已下线)高二数学第一学期期期末押题密卷01卷
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解题方法
7 . 已知双曲线
的右焦点为F,右顶点为A,虚轴的两个端点分别为
,以F为圆心,
(O为原点)为半径的圆与C的右支在第一象限交于点
,则C的渐近线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d468be20b4d43f5de75416de20e8ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c0700b92ddfc927f81fa96059d70e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1155ac49601cc740c609949fc7daccf1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知
,
是椭圆
的左、右焦点.椭圆
过点
.
(1)求椭圆
的方程;
(2)过点
的直线
(不过坐标原点)与椭圆
交于A,
两点,且点A在
轴上方,点
在
轴下方,若
,求直线
的斜率.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27e62a44b8712ce4483b8710cda0dc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4ab7357e0568bbb19290a287c2a6e45.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5fc65cb21c3cfa153dbc70299fe9393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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9 . 已知椭圆
两焦点
、
,
为椭圆上一点,若
,则
的内切圆半径为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e78f1a9cc4dedc05c175ab99b288b9f.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/db634c178cd7bffbd4cb886e3f2cca22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
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10 . 已知命题
:“
,使得
”;命题
:“
”的一个充分不必要条件是“
”,则下面命题为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2939abf9f1755ea304eeb1e73063cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2629c30dd1923e07ce1340945c4d0cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbff3170097b2d504affee5a0038938.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fdbd2503adb779b32f7ceea6723970d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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