1 . 已知双曲线
:
,直线
交双曲线的左支于
、
两点.
(1)求实数
的取值范围;
(2)如果
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e1fa37c4c826b5dcfebe86ab6177906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4701c1af1f541cf716d3cbcf12c8187e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2 . 设点
、
,动点
满足
,
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过定点
(
)作直线
交曲线
于
、
两点,设
为坐标原点,若直线
与
轴垂直,求
面积的最大值;
(3)过点
作直线
交曲线
于
、
两点,在
轴上是否存在一点
,使直线
和
的斜率的乘积为非零常数?若存在,求出点
的坐标和这个常数;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4a7482cb81b34df5a11807b8136a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cfc83cab6cd17842f28b9c37836673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f595683f69d5d6b5ca76408b0ff6ff17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8885ec539bee393d1dec8c072b8174cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21ae339bab079581b6d5b1198da0730.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.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/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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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3 . 已知双曲线
的渐近线方程为
,抛物线
:
的焦点
与双曲线
的右焦点重合,过
的直线
交抛物线
于
两点,
为坐标原点,若向量
与
的夹角为
,则
的面积为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27728a26875057a357172227eb7ab7ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6bb019e2d7c6d17d15ec4d9043f5e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2c7bf23fdaf94d16c1d2ed519c9b63.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/a0ed1ec316bc54c37c4286c208f55667.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00da1c29aea46e36cda0f5780966bb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55bf0d9510623b443eab082ec60fba85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231b861d6d1f1d0b9f52b041cb40eb62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd0efc142e3abb0d8f21e6447f0a7a.png)
您最近一年使用:0次
2019-06-01更新
|
764次组卷
|
2卷引用:上海市金山中学2021-2022学年高二上学期期末数学试题
2019高三·全国·专题练习
名校
4 . 已知抛物线
的焦点为
,点
,
在抛物线
上,过线段
的中点
作抛物线
的准线的垂线,垂足为
,若
,则
的最小值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243a9ae75886b75c37f88a0ba655fa31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6ade057ab86a163fe06d4a101b62b5.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-04-25更新
|
5272次组卷
|
6卷引用:上海市金山中学2019-2020学年高二上学期期末数学试题
上海市金山中学2019-2020学年高二上学期期末数学试题(已下线)【省级联考】2019届高三第二次全国大联考(新课标Ⅱ卷)文科数学试题河北省石家庄正定中学2021届高三上学期第二次半月考数学试题(已下线)考点38 抛物线-备战2021年高考数学(文)一轮复习考点一遍过(已下线)考点40 抛物线-备战2021年高考数学(理)一轮复习考点一遍过福建省莆田第二中学2020-2021学年高二12月月考数学试题
名校
5 . 焦点在
轴上,焦距为
,且经过点
的双曲线的标准方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b7ac31193004dcb7a71e8f657ad897.png)
您最近一年使用:0次
2019-04-19更新
|
576次组卷
|
3卷引用:上海市金山区2020-2021学年高二上学期期末数学试题
6 . 已知
、
是椭圆
的两个焦点,点
为椭圆
上的点,
,若
为线段
的中点,则线段
的长为________
![](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/ce2f37a414b061daeb3c858ebf767773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd667e0760bbb6e0b23a581fef05773a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
您最近一年使用:0次
2019-04-14更新
|
704次组卷
|
2卷引用:上海市金山区2020-2021学年高二上学期期末数学试题
7 . 已知椭圆
,过点
的直线
与椭圆
相交于
两点,若弦
恰好以点
为中点,则直线
的方程为__________ .(写成一般式)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc555ee95335fccb1fb911f3d7b2122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a75680a9e16ed607cdea14b4b367fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2020-03-06更新
|
2002次组卷
|
5卷引用:上海市张堰中学2016-2017学年高二上学期期末数学试题
上海市张堰中学2016-2017学年高二上学期期末数学试题上海市控江中学2015-2016学年高二上学期期末数学试题天津市南开中学2021-2022学年高二上学期期中数学试题(已下线)第38讲 点差法与定比点差法-2022年新高考数学二轮专题突破精练(已下线)专题12 定比点差法及其应用 微点5 定比点差法综合训练
名校
解题方法
8 . 已知双曲线
的右焦点与抛物线
的焦点重合,则该双曲线的渐近线方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e6dcd52515fe86ac3989adef2939466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3577bf250e9110428ff34f518fbd9f2.png)
您最近一年使用:0次
2020-03-05更新
|
331次组卷
|
3卷引用:上海市金山中学2015-2016学年高二下学期期末数学试题
名校
9 .
为双曲线
上位于第一象限内一点,且
,令
,则
的取值范围是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea91a16536500c217485a8a162390f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d3530ee12bd68b53970b83f28985b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7b6df146709ed18d3aea9bdb562b97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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名校
10 . 方程
的曲线即为函数
的图像,对于函数
,有如下结论:①
在
上单调递减;②函数
不存在零点;③
的最大值为
;④若函数
和
的图像关于原点对称,则
由方程
确定;其中所有正确的命题序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b934be8ae90a3007c3c94acad13272f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e2c80aad03f6a37bcbbff9fecd8374.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1638c1bc120bc0690d2dafd2663586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5090da195ccbacf2d85478fd719ab65b.png)
A.③④ | B.②③ | C.①④ | D.①② |
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