解题方法
1 . 设点
是曲线C
(
为参数,且
)上的任意一点,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/014597582428a15638e3fdb88eca4082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eec3e684af41f9ed4db5b931b9ccfb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916bb2cc1b29574ff95b47567c59ee0c.png)
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2 . 已知曲线
的参数方程是
(参数
).
(1)曲线
的普通方程;
(2)过点
的直线与该曲线交于
,
两点,求线段
中点
的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b7312b991eb210d9f55613e6ed5c12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
(1)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解题方法
3 . 在直角坐标平面
中,
,动点
在圆
上,则
的取值范围为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e06937f997bd7d5aead6b401f9af988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e133eb3bb45bc93ecc88a186d7be937b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c552f7bc957eed6b29e76b1b556d2e9.png)
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2020-02-29更新
|
611次组卷
|
5卷引用:上海市杨浦高级中学2020-2021学年高二上学期期末数学试题
上海市杨浦高级中学2020-2021学年高二上学期期末数学试题2020届上海市杨浦区高三第一次模拟(期末)数学试题(已下线)考向31 坐标系与参数方程-备战2022年高考数学一轮复习考点微专题(上海专用)沪教版(2020) 一轮复习 堂堂清 第七单元 7.11 直线与圆锥曲线的应用(二)河南省商城县观庙高级中学2021-2022学年高三上学期12月月考数学(文)试题
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4 . 已知曲线
参数方程为
(
为参数),直线
方程为:
,将曲线
横坐标缩短为原来的
,再向左平移1个单位,得到曲线
,则曲线
上的点到直线
距离的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abd09af119941fa000c5dd85d6f2e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b15e48d0a366af37c54f7449004af60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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5 . 设曲线
的参数方程为
(
为参数),直线
的方程为
,则曲线
上到直线
的距离为
的点的个数为_______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ae7b9ba97b41d35cd80a8523f0da22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cbfb26504c5bd8a68686703b500d4d.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/eed5ac4a8424e1ab70633d4c21d90501.png)
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6 . 已知点
在圆
上运动,则
的取值范围为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f109ad046f362d8686c7ef9810c568.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3836619ba47499fca6df4e5182da9d.png)
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2019-12-12更新
|
308次组卷
|
2卷引用:上海市复兴高级中学2018-2019学年高二上学期12月月考数学试题
7 . 设
为关于
的方程
的虚根,
虚数单位.
(1)当
时,求
、
的值;
(2)若
,在复平面上,设复数
所对应的点为
,复数
所对应的点为
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18c6df52ffa68d6b8baa8b74b35f31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05e6f18eb36027f635836ace91551d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a03522fb36c8f3351a8336b4c9a6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa9bf65189dfb57a61644a1cb27f361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c079ecb92d9130677e108e70664b227c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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2019-12-11更新
|
774次组卷
|
4卷引用:上海市闵行区2018-2019学年高二下学期期末数学试题
上海市闵行区2018-2019学年高二下学期期末数学试题(已下线)专题3.3 复数【易错题型专项训练】-2020-2021学年高二数学下学期期末专项复习(沪教版)辽宁省辽宁师范大学附属中学2019-2020学年高一下学期期末数学试题(已下线)专题12 复数-【备战高考】2021年高三数学高考复习刷题宝典(解答题专练)
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8 . 如图,边长为4的正方形
中,半径为1的动圆
的圆心
在边
和
上移动(包含端点
、
、
),
是圆
上及其内部的动点,设
(
),则
的取值范围是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1f51b682-49d2-4c4a-8c9a-4de81870b5a1.png?resizew=156)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67d822262ff00915910e5b87d81ad1ba.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02009dff04e72a459b5ee167d38f3d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26927f1f0be044942dfce30c3607158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1f51b682-49d2-4c4a-8c9a-4de81870b5a1.png?resizew=156)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
18-19高三上·上海浦东新·开学考试
名校
9 . 已知曲线
的参数方程为
其中参数
,则曲线
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0b8a72249dbf85cdf7a7e01fb3c055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4780f14f756e8057bbb9a8560e3e6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
A.关于![]() | B.关于![]() |
C.关于原点对称 | D.没有对称轴 |
您最近一年使用:0次
2019-12-07更新
|
650次组卷
|
8卷引用:上海市上海交通大学附属中学2016-2017学年高二下学期3月月考数学试题
上海市上海交通大学附属中学2016-2017学年高二下学期3月月考数学试题上海市松江二中2021-2022学年高二上学期9月月考数学试题(已下线)上海市华东师大第二附属中学2018-2019学年高三上学期第一次周测(开学考)数学试题2020届上海市上海交通大学附属中学高三下学期考前测试数学试题(已下线)重难点12 选考系列(参数方程与不等式)-2021年高考数学【热点·重点·难点】专练(上海专用)上海市闵行中学2022届高三上学期开学考试数学试题(已下线)考点52 坐标系与参数方程-备战2022年高考数学(理)一轮复习考点帮(已下线)专题14 参数方程与极坐标方程-备战2022年高考数学(文)母题题源解密(全国乙卷)
10 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b494093891c1a78e510617801c35af4a.png)
(1)若直线
与直线
的夹角为
,求实数
的值;
(2)若直线
被圆
(
为参数)截得的线段长为
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b494093891c1a78e510617801c35af4a.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dc261508f42e75323971f0b8282b0ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8725d4eeab5b16e517dc28c5eccac175.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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