名校
解题方法
1 . 点P在椭圆上,且在第一象限,过右焦点
作
的外角平分线的垂线,垂足为A,O为坐标原点,若
,则该椭圆的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bfd796c0966a4adcdb9f057746261c8.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
的顶点
,若AB边上的中线CM所在直线方程为
,AC边上的高线BN所在直线方程为
.
(1)求顶点B的坐标;
(2)求直线BC的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c53c2ce5532642de107e0d85c75f3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/477f5148ec8958ddec235749f7afbc1f.png)
(1)求顶点B的坐标;
(2)求直线BC的方程.
您最近一年使用:0次
2023-11-05更新
|
215次组卷
|
3卷引用:福建省泉州市现代中学2022-2023学年高二上学期期中数学试题
福建省泉州市现代中学2022-2023学年高二上学期期中数学试题河北省石家庄二中2023-2024学年高二上学期第一次月考(10月)数学试题(已下线)专题01 直线的倾斜角与斜率、直线方程问题(3大考点11种题型)(考点清单)-2023-2024学年高二数学上学期期中考点大串讲(苏教版2019选择性必修第一册)
名校
解题方法
3 . 已知四面体ABCD中,
,
,
,O为其外接球球心,AO与AB,AC,AD所成的角分别为
,
,
,有下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e096f87473d0b6b6d531ba22e5a7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a957b56a6d7d2cba6618df3ba4ab05d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57879d4e55f39132090e7456f585619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
A.该四面体的外接球的表面积为![]() |
B.该四面体的体积为10 |
C.![]() |
D.![]() |
您最近一年使用:0次
2023-05-28更新
|
362次组卷
|
2卷引用:福建省石狮市永宁中学(厦外石分永宁校区)2021-2022学年高一下学期期中考试数学试题
解题方法
4 . 设偶函数
的定义域为
,且满足
,对于任意
,
,都有
成立,
(1)不等式
解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613a44a69c8ade47fb85c36da474a864.png)
(2)不等式
解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6588e9d8e0bf939f50966503ce3a57.png)
(3)不等式
解集为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda37b13914796c1f5371d3a2e258236.png)
(4)不等式
解集为
其中成立的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d028846b8614318fbf90387d13c75b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dec65a2bec3d4296c613a80b3ae41d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42fd7af568e3d9f444beb0ff41426477.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c54a0b153faa11a49653f0f80f204d5d.png)
(1)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac805c484fb4bcf8c551b89544461ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613a44a69c8ade47fb85c36da474a864.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac805c484fb4bcf8c551b89544461ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6588e9d8e0bf939f50966503ce3a57.png)
(3)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b97360e08d1610c3051b30b1ffae80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda37b13914796c1f5371d3a2e258236.png)
(4)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b97360e08d1610c3051b30b1ffae80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03429bf80f7013850fbca20753f26b7b.png)
A.(1)与(3) | B.(1)与(4) |
C.(2)与(3) | D.(2)与(4) |
您最近一年使用:0次
5 . 对于函数
,若
,则称x为
的“不动点”.若
,则称x为
的“稳定点”,记
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/801d492de7ae12be2bf576f25c4f1ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30bf91f31613ce80bba22a49862db03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73339743a70345917d3a3e648b30525c.png)
A.对于函数![]() ![]() |
B.对于函数![]() ![]() ![]() |
C.对于函数![]() ![]() |
D.若![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知圆
过点
,
,且圆心
在直线
上.
是圆
外的点,过点
的直线
交圆
于
,
两点.
(1)求圆
的方程;
(2)若点
的坐标为
,求证:无论
的位置如何变化
恒为定值;
(3)对于(2)中的定值,使
恒为该定值的点
是否唯一?若唯一,请给予证明;若不唯一,写出满足条件的点
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02af485e17e7628fd5a3ace6e0a32ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.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/dad2a36927223bd70f426ba06aea4b45.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec40ff4479edca2ed18b6cadb8db72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
(3)对于(2)中的定值,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79188647c574441c2414c3781a0ef543.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-10-01更新
|
605次组卷
|
7卷引用:福建省南安市柳城中学2022-2023学年高二上学期11月期中考试数学试题
福建省南安市柳城中学2022-2023学年高二上学期11月期中考试数学试题福建省普通高中2021-2022学年高二1月学业水平合格性考试数学试题四川省通江中学2022-2023学年高二上学期期中文科数学试题黑龙江省哈尔滨市第九中学校2022-2023学年高二10月月考数学试题专题08B圆的方程与圆锥曲线(已下线)重难点突破16 圆锥曲线中的定点、定值问题 (十大题型)-1(已下线)专题02 期中真题精选(压轴93题10类考点专练)(2)
名校
7 . 已知函数
,且
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e290a420338f17160641e7d081a868f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bedf4e52662b712306035f32fc4563b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-01更新
|
462次组卷
|
5卷引用:福建省漳州实验高级中学2022-2023学年高一创新班上学期期中考试数学试题
解题方法
8 . 已知定义在区间
上的函数
.
(1)若函数
分别在区间
上单调,试求
的取值范围;(直接写出答案)
(2)当
时,在区间
上是否存在实数
,使得函数
在区间
上单调,且
的取值范围为
,若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a690b76541912fdd8f4316404f9d.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbaabfaec35591078715d268d9325ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2a51944c720568f35d443589dfc1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad8af7bed124f00c8e19b52d028b4d90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224e83ea6f08eb21f9396592af8b1c8c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 下列结论中,所有正确的结论是( )
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-10-01更新
|
492次组卷
|
2卷引用:福建省漳州实验高级中学2022-2023学年高一创新班上学期期中考试数学试题