1 . 已知
,则对任意
,下列说法中错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f315977e8c623e924148848728d187fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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12-13高二下·浙江宁波·期中
名校
解题方法
2 . 设双曲线
(
的右焦点为
,过
作与
轴垂直的直线
与两条渐近线交于
两点,
是
与双曲线的一个交点.设
为坐标原点.若有实数
、
,使得
,且
,则该双曲线的离心率为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/936c7fedc178f0349dc249c19c34a347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a588956ec73e41c383fe184ba414bc6e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-12-14更新
|
347次组卷
|
8卷引用:2014届吉林省白山市高三摸底考试理科数学试卷
(已下线)2014届吉林省白山市高三摸底考试理科数学试卷(已下线)2012-2013学年浙江宁波万里国际学校高二下学期期中考试文数学试卷2014-2015学年江西吉安一中高二下学期期中理科数学试卷2015-2016学年湖南衡阳八中高二上第二次月考文科数学卷2016届贵州市兴义市八中高三第七次月考文科数学试卷(已下线)2012年全国高中数学联赛辽宁赛区预赛试题陕西省西安市长安区第一中学2019-2020学年高二下学期第一次质量检测数学(理)试题广东省揭阳市惠来县第一中学2023届高三最后一模(临门一脚)数学试题
2012高三·吉林·竞赛
3 . 若集合
,
,则
的面积与
的面积比为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac03296facc72f1d92d102de98a161a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d7d10dc6b0fdeab8f4613099a55ce97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
A.99:1 | B.100:1 | C.101:1 | D.102:1 |
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2011高三·吉林·竞赛
4 . 点
满足平面区域![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2592cc6340c7ae3de25f93930314350b.png)
,点
满足
.则
的最小值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2592cc6340c7ae3de25f93930314350b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a59287425f7467c4e3101b74250bad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba31412a6ff27e6114a8806beedcbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a8041c31709c7ae8f2fb287c961db.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2009高三·吉林·竞赛
5 . 称横坐标为整数的点为“次整点”.过曲线
上任意两个次整点作直线,则倾斜角大于
的直线条数为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14a45ad4277030bf9ecdb9c678b6657c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
A.12 | B.13 | C.14 | D.15 |
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2005高三·吉林·竞赛
6 . 若
,则函数
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1261ebe12f1f6dcf634c235371480e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb68b784afc488583046c30c1491a46.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2005高三·吉林·竞赛
7 . 如图,已知双曲线
,
为过右焦点
且垂直于实轴
的弦,
是双曲线的右顶点,记
.那么,( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/43579d6e-bb1d-4ada-8a22-d59a84eec2f3.png?resizew=183)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1b1d478fc4a42edc2e17c5e3eeb1da.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/43579d6e-bb1d-4ada-8a22-d59a84eec2f3.png?resizew=183)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
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