1 . 设
为抛物线
的焦点,过点
的直线
与抛物线
相交于
两点.
![](https://img.xkw.com/dksih/QBM/2021/3/18/2680789055823872/2685010845900800/STEM/a437efeb29914d7980e6ec754bb5c59e.png?resizew=250)
(1)求焦点
的坐标及其准线方程;
(2)若弦长
,求此时直线
的斜率;
(3)设抛物线
上的点
在其准线上的射影分别为
,若
的面积是
的面积的两倍,如图所示.求线段
中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://img.xkw.com/dksih/QBM/2021/3/18/2680789055823872/2685010845900800/STEM/a437efeb29914d7980e6ec754bb5c59e.png?resizew=250)
(1)求焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(2)若弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/463f28c913e88b2ad2b860a4c6ae60f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/906cdc74fef33c8a89c4f0195e5530fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78261dfc94bd6a3e812cac6f29494fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d5ed818d49a099d0e20883f85ce1f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
21-22高二上·内蒙古包头·期末
名校
解题方法
2 . 椭圆
(
)的左右焦点分别为
,
,其中
,
为原点.椭圆上任意一点到
,
距离之和为
.
(1)求椭圆的标准方程及离心率;
(2)过点
的斜率为2的直线
交椭圆于
、
两点.求的
面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](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/385afe18c3fad66fdeadf74be824283c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](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/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆的标准方程及离心率;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c10f14aae6fb21e047ecb39cdf40c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2021-03-01更新
|
5885次组卷
|
13卷引用:上海市金山中学2022-2023学年高二上学期期末数学试题
上海市金山中学2022-2023学年高二上学期期末数学试题(已下线)内蒙古包头市2020-2021学年高二上学期期末考试数学(文)试题福建省泉州鲤城北大培文学校2021-2022学年高二下学期期末考试数学试题新疆维吾尔自治区喀什地区巴楚县第一中学2023-2024学年高二上学期期末数学试题(已下线)专题03 圆锥曲线(重点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)河北省唐县第一中学2020-2021学年高二下学期4月月考数学试题河北省辛集中学2020-2021学年高二下学期第一阶段考试数学试题重庆市万州区清泉中学2020-2021学年高二下学期3月月考数学试题江西省贵溪市实验中学2022届高三上学期第一次月考三校生数学试题江西省鹰潭市贵溪市第一中学2021-2022学年高二上学期期中考试数学(文)试题(已下线)专题10 圆锥曲线的方程的典型题(二)-【尖子生专用】2021-2022学年高二数学考点培优训练(人教A版2019选择性必修第一册)安徽省安庆市第七中学2021-2022学年高二上学期12月阶段性考试数学试题内蒙古呼和浩特市新城区呼市十四中学2023-2024学年高二上学期期中数学试题
3 . 已知椭圆
(
)的焦距为2,椭圆
的左、右焦点分别为
、
,过右焦点
作
轴的垂线交椭圆于
、
两点,
.
(1)求椭圆
的方程;
(2)过右焦点
作直线交椭圆于
、
两点,若△
的内切圆的面积为
,求△
的面积;
(3)已知
,
为圆上一点(
在
轴右侧),过
作圆的切线交椭圆
于
、
两点,试问△
的周长是否为一定值?若是,求出该定值,若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5563df225901b03c51b139684de04bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/c5f23420529a6a808d22d454e87a6194.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)过右焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605d5ecef273056ce1d92e7333bec05f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605d5ecef273056ce1d92e7333bec05f.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32bc87d997aa465f649cee62505203d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/ceb1d97878dcc984d76f48dd85decdd8.png)
您最近一年使用:0次
2020-07-06更新
|
362次组卷
|
3卷引用:上海市金山区金山中学2020-2021学年高二下学期期末数学试题
上海市金山区金山中学2020-2021学年高二下学期期末数学试题上海市格致中学2019-2020学年高二下学期期末数学试题(已下线)专题5.8 期末考前选做30题(解答题压轴版)-2020-2021学年高二数学下学期期末专项复习(沪教版)
13-14高三下·上海虹口·阶段练习
名校
4 . 如图,直四棱柱ABCD—A1B1C1D1底面ABCD直角梯形,AB∥CD,∠BAD=90°,P是棱CD上一点,AB=2,AD=
,AA1=3,CP=3,PD=1.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/585786f9-08c3-43f5-b712-a0337d68e916.png?resizew=161)
(1)求异面直线A1P与BC1所成的角的余弦值;
(2)求证:PB⊥平面BCC1B1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/27/585786f9-08c3-43f5-b712-a0337d68e916.png?resizew=161)
(1)求异面直线A1P与BC1所成的角的余弦值;
(2)求证:PB⊥平面BCC1B1.
您最近一年使用:0次
2022-06-23更新
|
752次组卷
|
8卷引用:上海市金山中学2016-2017学年高二下学期期末考试数学试题
名校
解题方法
5 . 已知椭圆
:
,其中
,点
是椭圆
的右顶点,射线
:
与椭圆
的交点为
.
(1)求点
的坐标;
(2)设椭圆
的长半轴、短半轴的长分别为
、
,当
的值在区间
中变化时,求
的取值范围;
(3)在(2)的条件下,以
为焦点,
为顶点且开口方向向左的抛物线过点
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b5da0f8fe08fbdca72da730d3963cfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5db64feb6bfa180fd4a1e3f346a105e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfb764b285362ee742b6dc613a1460a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)设椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/0c6ce02259a85ea191541f4a708738f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b186a8282637c16b31816a647f4020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(3)在(2)的条件下,以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e5af1862eeadd3179ae3dbac7671d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
6 . 已知椭圆
的两焦点分别为
,
,
是椭圆在第一象限内的一点,并满足
,过
作倾斜角互补的两直线
、
分别交椭圆于
、
两点.
(1)求
点坐标;
(2)当直线
经过点
时,求直线
的方程;
(3)求证直线
的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b861ba40387cb2bcd04945f5a371a.png)
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03752bb01ac43b8f3b7d3e240da1fbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)当直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da61a8fc8f424929e9bf36622f1ca74f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)求证直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2020-01-09更新
|
645次组卷
|
2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
7 . 如图,设
为坐标原点,点
是椭圆
的右焦点,
上任意一点到该椭圆的两个焦点的距离之和为
.分别过
的两条直线
与
相交于点
(异于
两点).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/aa444e6a-0918-4079-8625-fab2e72bb854.png?resizew=205)
(1)求椭圆
的方程:
(2)若
分别为直线
与
的斜率,求
的值:
(3)若
求证:直线
与
的斜率之和为定值,并将此命题加以推广.写出更一般的结论(不用证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5563df225901b03c51b139684de04bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb605387988b80594c42f01427f3754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e478787ebfeb68a5a7594dbd9eecd4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/6/aa444e6a-0918-4079-8625-fab2e72bb854.png?resizew=205)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/121904ef89bbe94a6941c06a79bdcc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ad71230b7b21df7e7bd2409947513c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12550034832ac6f6722cf283a54c37f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
8 . 设抛物线
的焦点为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)若抛物线
与直线
有且只有一个公共点.求实数
的值:
(2)若点
满足
,当点
在抛物线
上运动时,求动点
的轨迹方程;
(3)在
轴上是否存在点
,使得点
关于直线
的对称点在抛物线
上?如果存在,求所有满足条件的点
的坐标:如果不存在.请说明理由..
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)若抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d6d0cfe389abca252332223b5da17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4af8bcb24017f7e82caf5a99ad271f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db77d55ed708db28309dbc4500c5c0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
9 . 设双曲线
的右顶点为
.
(1)若倾斜角为锐角的直线
过点
且平行于双曲线的一条渐近线,求直线
的一般式方程;
(2)设
为坐标原点,直线
与双曲线
相交于
两点,求
的面积,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3cbb88d936760d1136ae273f4fab68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若倾斜角为锐角的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9332a452cefed95e41d032f571621e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
您最近一年使用:0次
10 . 如图,我区新城公园将在长34米、宽30米的矩形地块内开凿一个“挞圆”形水池,水池边缘由两个半椭圆
和
组成,其中
,“挞圆”内切于矩形(即“挞圆”与矩形各边均有且只有一个公共点).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/f6788452-1130-48d6-8a63-1c9a4e027554.png?resizew=186)
(1)求“挞圆”的方程;
(2)在“挞圆”形水池内建一矩形网箱养殖观赏鱼,若该矩形网箱的一条边所在直线方程为
,求该网箱所占水面面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a6daf7a60ad63a824b81aead25c51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2843837273fd677893a5ff8e5371409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da1617cd2643d622e9d9a1cce2d0147.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/f6788452-1130-48d6-8a63-1c9a4e027554.png?resizew=186)
(1)求“挞圆”的方程;
(2)在“挞圆”形水池内建一矩形网箱养殖观赏鱼,若该矩形网箱的一条边所在直线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7712ebd3ff2d40a6cf11ec9e7167146c.png)
您最近一年使用:0次
2019-11-10更新
|
354次组卷
|
3卷引用:上海市金山区2018-2019学年高二上学期期末数学试题