1 . 已知函数
的图象与
轴有且仅有两个交点,则实数
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eadc00b03b1ca2bfe28700c0fa0b384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
名校
解题方法
2 . 定义在R上的函数
,
满足
,
,
,
,则下列说法中错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5493d69789b783cec2659106000d00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a68a5f7a8708c64e4215dea3e30d8bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f46344ad3b535a84c1d58dc30a6054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07e4362f3fc00c0c9e7acf94f60810a.png)
A.![]() ![]() |
B.2是![]() |
C.函数![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
3 . 已知直线
与双曲线
交于
两点,
为双曲线的右焦点,且
,若
的面积为
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa841ce5d58b64f747a3c1b69bb20a5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578832b5e2b61bf599918028e68da17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df702e63ec250e6d604d7caad449281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b155facaed964aae6438f290a3cc0ed.png)
A.双曲线的离心率为![]() | B.双曲线的离心率为![]() |
C.双曲线的渐近线方程为![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知椭圆
的离心率为
;直线
与
只有一个交点.
(1)求
的方程;
(2)
的左、右焦点分别为
上的点
(
两点在
轴上方)满足
.
①试判断
(
为原点)是否成立,并说明理由;
②求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9350036344273cd5d077f5066a1e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90ff138a12d957605d7633d4633e1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6e2e2fd460de8f49b81554b1ae36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a6e2e2fd460de8f49b81554b1ae36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917f3c9ac241ee922574d8e4028d6a11.png)
①试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246ccbc152af7621bfb5f908e585670b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
②求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946d31a242044519078c3503f590c27e.png)
您最近一年使用:0次
名校
解题方法
5 . 已知点
,动点A在圆M:
上运动,线段AN的垂直平分线交AM于P点,则P的轨迹方程为______ ;若动点Q在圆
上运动,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e258dc5c8b4ea30bca80a56098065402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7087fd4f638a63704624fbec6e67b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d30337ed2f68b73a050688566eac4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次
6 . 某兴趣小组的几位同学在研究不等式
时给出一道题:已知函数
.函数
,当
时,
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49506c61cf5c61605f1cf90a440348cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839d60adc0333253aff4000673646bc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21635ed9d41451f918e47451d7326465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a18be85a0cd3aff37be9ba7f1bdea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知椭圆
的左、右焦点分别为
,
过点
,且
.
(1)求
的方程.
(2)设
的右顶点为点
,过点
的直线
与
交于
两点(异于
),直线
与
轴分别交于点
,试问线段
的中点是否为定点?若是,求出该定点的坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e1fa617863e37a37908aba227fce3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c2dd92c88c78932d0c1e0b49297539.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/a4f4d0bdfb87211c2362212cacaabf4b.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
解题方法
8 . 已知椭圆
的左、右焦点分别为
过点
,且
的长轴长为8.
(1)求
的方程.
(2)设
的右顶点为点
,过点
的直线
与
交于
两点(异于
),直线
与
轴分别交于点
,试问线段
的中点是否为定点?若是,求出该定点的坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/704bfc280d817fb77006ee98d4d7e5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e1fa617863e37a37908aba227fce3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/a4f4d0bdfb87211c2362212cacaabf4b.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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5671fb25040a712a49e8c8148d67d300.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
名校
9 . 已知函数
在
上单调,
的图象关于点
中心对称且关于直线
对称,则
的取值个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06639527a6fb4cb468839dea5ce722a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3207791fb9b718adbcf16907fbc9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef967a8efaac5f77dde54b777d7a450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1175d698c392debdd6b90cce9d7ad7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
2024-03-22更新
|
742次组卷
|
4卷引用:陕西省榆林市2023-2024学年高三第二次模拟检测数学(理科)试题
陕西省榆林市2023-2024学年高三第二次模拟检测数学(理科)试题(已下线)模块五 专题3 全真能力测试1(高一人教B版期中)(已下线)模块五 专题6 全真拔高模拟2(北师版高一期中)河北省秦皇岛市部分示范高中2024届高三下学期三模数学试卷
名校
10 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da1921be1204b54a73026379ac2d723c.png)
A.曲线![]() ![]() ![]() |
B.函数![]() ![]() |
C.![]() |
D.函数![]() |
您最近一年使用:0次
2024-03-01更新
|
1090次组卷
|
5卷引用:陕西省榆林市府谷县府谷中学2023-2024学年高二上学期开学考试数学试题