名校
1 . 已知某
的直角三角板斜边长
,动点P到直角顶点距离始终为
,记P到三角板斜边两个端点距离分别为
,则
范围为____________ (单位平方厘米).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc31bf4b6ed8cf336432a5a2791e67e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc5d70176873d0db587aef076102723c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c39ccc43fac44ef2f172209434ea7ec.png)
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名校
解题方法
2 . 舒腾尺是荷兰数学家舒腾(1615-1660)设计的一种作图工具,如图,
是滑槽
的中点,短杆
可绕
转动,长杆
通过
处的铰链与
连接,
上的栓子
可沿滑槽
滑动.当点
在滑槽
内作往复移动时,带动点
绕
转动,点
也随之而运动.记点
的运动轨迹为
,点
的运动轨迹为
.若
,
,过
上的点
向
作切线,则切线长的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/11/c4eeff73-ba84-4ca7-89f5-8e0749040c02.png?resizew=182)
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2023-09-10更新
|
243次组卷
|
12卷引用:浙江省湖州市三贤联盟2021-2022学年高二上学期期中联考数学试题
浙江省湖州市三贤联盟2021-2022学年高二上学期期中联考数学试题江苏省宿迁市沭阳县建陵高级中学2022-2023学年高三上学期期中数学试题江苏省南通市2021届高三下学期5月四模数学试题(已下线)2.2 直线与圆的位置关系(B 能力培优练)-2021-2022学年高二数学上学期同步双培优检测(苏教版2019选择性必修第一册)(已下线)第11题 与圆有关的最值问题-2021年高考数学真题逐题揭秘与以例及类(新高考全国Ⅰ卷)(已下线)第二章 圆与方程(选拔卷)-【单元测试】2021-2022学年高二数学尖子生选拔卷(苏教版2019选择性必修第一册)2023版 北师大版(2019) 选修第一册 名师精选卷 第一、二、三章滚动测试(已下线)专题26 求动点轨迹方程 微点7 求动点轨迹方程综合训练广东省大湾区2022-2023学年高二上学期期末联考数学试题(已下线)第2章 直线和圆的方程(基础、典型、新文化、压轴)分类专项训练-2022-2023学年高二数学考试满分全攻略(人教A版2019选择性必修第一册)福建省泉州市晋江学校2023-2024学年高二上学期第二次月考数学试题(已下线)技巧02 填空题的答题技巧(8大题型)(练习)
名校
3 . 设点
在椭圆
上,点
在直线
上,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6f5adf13b4214666292dd64b947741.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af405a054bfe7fb7ce40e48d816467e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225849d13e453ce2efbac7d5cfc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b485cf7170bc0c5ec61555fd68f157.png)
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21-22高三上·上海浦东新·阶段练习
名校
解题方法
4 . 设点
在椭圆
上,点
在直线
上,则
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009bbb16442829022f71f67954f6706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e4a41cbe3d1f25154602dee11d36ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5706dc8e7751b5a8163359a648f14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07225849d13e453ce2efbac7d5cfc0b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb84a0aa698a77f0ae6ae54a44d4e154.png)
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20-21高二下·浙江·期末
解题方法
5 . 已知椭圆
,过平面内一点
作两条互相垂直的直线
、
与
分别相交于
、
和
、
,若
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e488d56ded20eab7f904d300835d72a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.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/c5db41a1f31d6baee7c69990811edb9f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f645d4b09fba53f971172cd2602c691.png)
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6 . 已知点
在椭圆
上运动,则
的最大值是_________ ;点
到直线
:
的最小距离是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf99adccc80f28343fedd8d0aad7429.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/4166e4e05bfd3ac3e8b739e0541c43ab.png)
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2020-12-16更新
|
348次组卷
|
3卷引用:浙江省杭州外国语学校2020-2021学年高二上学期期中数学试题
19-20高一·浙江杭州·期末
7 . 已知
是椭圆
上的动点,则
的最大值是__________ ,点
到直线
的最小距离是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82aaa597a5aa6176863eda3fdf83e181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9817a48b819ab971e79bad7b20250294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bafded8ba483ed901ec8903c5e22577.png)
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2020-11-30更新
|
333次组卷
|
4卷引用:浙江省9+1高中联盟2020-2021学年高二上学期期中数学试题
浙江省9+1高中联盟2020-2021学年高二上学期期中数学试题(已下线)【新东方】杭州新东方高中数学试卷396(已下线)【新东方】在线数学161高二上沪教版(2020) 选修第一册 新课改一课一练 第2章 2.5.2简单的参数方程
名校
8 . 过点
作互相垂直的直线
,
,
交
正半轴于
点,
交
正半轴于
点,则线段
中点
轨迹方程为_______________________ ;过原点
与
、
、
四点的圆半径的最小值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266504a4bd910b292c74765dc9772f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2019-12-28更新
|
246次组卷
|
2卷引用:浙江省金华市金华第一中学2018-2019学年高二上学期期中数学试题
12-13高二·浙江宁波·期中
解题方法
9 . 在极坐标系中,曲线
,曲线
,若曲线
与
交于
、
两点,则线段
的长度为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd6c0f36bc7d4fc026c6e844c129c72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc195dbd7e4744378e5a700dde04b12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2011·广东广州·高考模拟
10 . (坐标系与参数方程选做题)设点
的极坐标为
,直线
过点
且与极轴所成的角为
,则直线
的极坐标方程为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a3ee61d0d7d3df4807a9691f203e48.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/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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