1 . 已知抛物线
上的点
到焦点
的距离为
.
(1)求抛物线
的方程;
(2)点
在抛物线上,直线
与抛物线交于
两点(第一象限),过点
作
轴的垂线交于点
,直线
与直线
、
分别交于点
(
为坐标原点),且
,证明:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b01c57952e2e5a6cff630d4d77fefe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18c261201283d56c071c1c8133dc20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77397fbf8224ec0ae05cdf385839f70c.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da65eb3ef54e3787fde5820953af511c.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99fa94a1f3e4964fcc13a14fab9ba5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.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/88ad4d3b17d04091d6258426f7c42e80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2024-01-26更新
|
217次组卷
|
2卷引用:云南省昆明市盘龙区2023-2024学年高二上学期期末质量检测数学试题
解题方法
2 . 如图,公园要在一块圆心角为
,半径为
的扇形草坪
中修建一个内接矩形文化景观区域
,若
,则文化景观区域
面积的最大值为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167e6e41ac221847824a72e964f340f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e41d3f7d55fcbaebc4e2450ac63a3dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
您最近一年使用:0次
2024-01-26更新
|
301次组卷
|
3卷引用:云南省昆明市盘龙区2023-2024学年高二上学期期末质量检测数学试题
3 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c65d08f804488120f62680752b78362.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 如图,在棱长为2的正方体
中,
是棱
的中点,点
在线段
上运动,则
面积的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f40a82b2c01d3379adf6c218f3c8ec.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/e3a24e48-e84f-4f51-b633-73ea6992d505.png?resizew=167)
您最近一年使用:0次
解题方法
5 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/1ec0f96d-b602-4ded-9399-a2dc329aaf8c.png?resizew=248)
(1)当
时,画出
的图象,并判断直线
与
图象的交点个数;
(2)设函数
,若
对于任意
都成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd713819683b3ff3bfbd39a08878ee08.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/1ec0f96d-b602-4ded-9399-a2dc329aaf8c.png?resizew=248)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46111e4d12c21798aa213c0d7804c2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f342cde790a2db591c2a7150b9261ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0632b67d3bfbf73e763124696892c36b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8437e8abf825302f7b7a07d3455e98d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
6 . 已知离心率为
的双曲线
经过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/750c3d65-f4cc-4936-b6c9-767395750267.png?resizew=143)
(1)求
的方程;
(2)如图,点
为双曲线上的任意一点,
为原点,过点
作双曲线两渐近线的平行线,分别与两渐近线交于
、
两点,求证:平行四边形
的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c8091d78595c42d437ff5766431a8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17861339a3796ae59308b87a6e41ed29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/750c3d65-f4cc-4936-b6c9-767395750267.png?resizew=143)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/5abdbb88112c8ed764e1cb9351a4a9e9.png)
您最近一年使用:0次
2024-01-25更新
|
321次组卷
|
2卷引用:云南省昆明市官渡区2023-2024学年高二上学期1月期末学业水平考试数学试题
解题方法
7 . 已知定义在
上的函数
为奇函数,且对
,都有
.当
时,
.则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09563f07143443ea74eb29601d0f813e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1864b98153200f5929787295de2c1e38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a243bea3f4299af8c894dc19ad878f6e.png)
A.函数![]() |
B.当![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
解题方法
8 . 已知双曲线
实轴端点分别为
、
,右焦点为
,离心率为
,过
点的直线
与双曲线
交于另一点
,已知
的面积为
.
(1)求双曲线的方程;
(2)若过点
的直线
与双曲线
交于
、
两点,试探究直线
与直线
的交点
是否在某条定直线上?若在,请求出该定直线方程;若不在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee5a1d7cc1501e44c13390c54ba39f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed0e135ad05dddd5ec57678af73433d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.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/a1e370eead3eea59eea848fc3c549199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745d61fea34d786a64a45406a5a1bd71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0874f019492261eb175bdcc08c189d.png)
(1)求双曲线的方程;
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9399c9a2a31b0e3165aea2d6ccc4f7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b06b75fb4e379ff3b99e68f40136cad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
解题方法
9 . 如图所示,四棱锥
中,
为
的中点,
、
分别为线段
、
上的一动点;
为等边三角形,底面
为平行四边形,平面
平面
,
,
,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/6a09550c-d51f-4bed-a6bd-79a580fed658.png?resizew=166)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f99f724bb3614b40d63b284abaa7993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d2871c2cd274769835f769bb3a6219c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/6a09550c-d51f-4bed-a6bd-79a580fed658.png?resizew=166)
A.存在点![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() |
C.![]() ![]() |
D.若三棱锥![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
,
(
为自然对数的底数)
,比较
,
,
的大小( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55ecba0e40ef4feede322fc09fc97ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13d3d56a72f49320d7d0be8aa762d8f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa535449dd5d22bdda16b92d0a83187f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-22更新
|
469次组卷
|
3卷引用:云南省昆明市禄劝彝族苗族自治县第一中学2023-2024学年高二上学期期末教学测评数学试卷