1 . 在平面直角坐标系
中,已知直线
的参数方程为
(
为参数),以坐标原点为极点,以
轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
,直线
与曲线
交于
两点.
(1)求直线
的普通方程和曲线
的直角坐标方程;
(2)已知点
的极坐标为
,
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1978bf0adcec73ac338e4b3f22df52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/236836bd898ebf7b8d9f038851c6e071.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)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197e20a45972eabf50006c2ef470a7e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/559d66fd8b309fd440ce9bda78a579c9.png)
您最近一年使用:0次
名校
解题方法
2 . 已知圆
与直线
交于
两点,点
为线段
的中点,
为坐标原点,直线
的斜率为
.
(1)求
的值及
的面积;
(2)若圆
与
轴交于
两点,点
是圆
上异于
的任意一点,直线
,分别交
于
两点.当点
变化时,以
为直径的圆是否过圆
内的一定点,若过定点,请求出定点;若不过定点,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ef640c5594af2bea46a322c5f671cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63414dc4bac8ce524634b84b43dd8fcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
您最近一年使用:0次
3 . 在平面直角坐标系
中,曲线
的参数方程为
(
为参数).以坐标原点为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)求曲线
和直线
的直角坐标方程;
(2)已知点
,直线
和曲线
相交于
、
两点,求
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e389265421ef4e8574200d543a912df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0b223e3c800192b7778e6d0c4e5a0.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a436db19eb954d31075d5398f1b92ecd.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
您最近一年使用:0次
2022-01-28更新
|
2969次组卷
|
10卷引用:四川省成都市嘉祥教育集团2021-2022学年高二下学期期中质量监测数学(理)试题
四川省成都市嘉祥教育集团2021-2022学年高二下学期期中质量监测数学(理)试题四川省攀枝花市2022届高三第二次统一考试数学(理)试题四川省攀枝花市2022届高三第二次统一考试文科数学试题(已下线)文科数学-2022年高考押题预测卷02(全国甲卷)(已下线)理科数学-2022年高考押题预测卷02(全国甲卷)河南省南阳市第一中学校2022届高考考前适应性考试文科数学试题江西省新余市第一中学2022届高三5月全真模拟考试数学(理)试题(已下线)江西省上饶市2023届高三第一次高考模拟考试数学(理)试题变式题21-23(已下线)四川省巴中市2023届高三“一诊”考试数学(理)试题变式题21-23河南省焦作市第四中学2022-2023学年高二下学期4月月考数学试题
名校
解题方法
4 . 已知直线
为参数,
)经过椭圆
为参数)的左焦点
.
(1)求
的值;
(2)设直线
与椭圆
交于
两点,求
的最小值.
(3)设
的三个顶点在椭圆
上,求证,当
是
的重心时,
的面积是定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5869a94f9eb1bf7b6bdccb7d62657204.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa59dbbca1330b8095f30ae810772fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1befa136d34a01daa1f93b840991870b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设直线
![](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://staticzujuan.xkw.com/quesimg/Upload/formula/2f0305037a99384cdfe88cb03fbdfe1a.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c28abb154f41e1ca9816c9c9c2433ca.png)
您最近一年使用:0次
5 . 在平面直角坐标系
中,曲线
的参数方程为
,
为参数).以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的直角坐标方程为
.
(1)求曲线
的普通方程和直线
的极坐标方程;
(2)射线
,
和曲线
分别交于点
,
,与直线
分别交于
,
两点,求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f0b3463a7e4c78dc8c16e06bbb9bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/608172a5a6acb7aec81dc3791c2f287e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277e54618dcf6e6dd3f50f10d653f4f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/099181ee7e04c3d096c193b424abab48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e308ac24c8b0d17ccf634376c7cfea.png)
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2020-10-31更新
|
1981次组卷
|
8卷引用:广西梧州市黄埔双语实验学校2022届高三上学期期中考试数学(文)试题
广西梧州市黄埔双语实验学校2022届高三上学期期中考试数学(文)试题内蒙古赤峰市2020届高三(5月份)高考数学(理科)模拟试题(已下线)第十五单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(理)一轮复习单元滚动双测卷(已下线)第十四单元 不等式选讲(选讲)(B卷 滚动提升检测)-2021年高考数学(文)一轮复习单元滚动双测卷河南省开封市五县部分校2021-2022学年高二下学期月考数学(文)试题四川省遂宁市射洪中学2022-2023学年高三上学期入学考试数学文试题(已下线)第01讲 极坐标与参数方程(练)陕西省渭南市集才中学老城分校2022届高三上学期期末数学(文)试题
6 . 已知直线
(
为参数),曲线
(
为参数).
(1)设
与
相交于
两点,求
;
(2)若把曲线
上各点的横坐标压缩为原来的
倍,纵坐标压缩为原来的
倍,得到曲线
,设点
是曲线
上的一个动点,求它到直线
的距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b13928ee9d539953bce11ebab61fce8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061d075835527772d795e91e9ddcf379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb398137779190b35492d9f06d5fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1d63294ee7f92dab9eb37aac5fc064.png)
(2)若把曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
7 . 在极坐标系中,曲线
的极坐标方程为
.现以极点
为原点,极轴为
轴的非负半轴建立平面直角坐标系,直线
的参数方程为
(
为参数).
(1)求曲线
的直角坐标系方程和直线
的普通方程;
(2)点
在曲线
上,且到直线
的距离为
,求符合条件的
点的直角坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dda917f8f649050511eac9fe10a40f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c793fe469f53c32d85a81022328265aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2020-03-31更新
|
1400次组卷
|
5卷引用:福建省莆田第二十四中学2019-2020学年高二下学期期中测试数学(文)试题
2020高三·全国·专题练习
8 . 在直角坐标系xOy中,曲线C1的参数方程为
(t为参数,m∈R),以原点O为极点,x轴的非负半轴为极轴建立极坐标系,曲线C2的极坐标方程
(0≤θ≤π).
(1)写出曲线C1的普通方程和曲线C2的直角坐标方程;
(2)已知点P是曲线C2上一点,若点P到曲线C1的最小距离为
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c61916bb4eed61070a5ac825ba4329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d667d1b5d58e235a91e797616fffb9b4.png)
(1)写出曲线C1的普通方程和曲线C2的直角坐标方程;
(2)已知点P是曲线C2上一点,若点P到曲线C1的最小距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
您最近一年使用:0次
名校
9 . 在极坐标系中,曲线C1的极坐标方程是
,在以极点为原点O,极轴为x轴正半轴(两坐标系取相同的单位长度)的直角坐标系xOy中,曲线C2的参数方程为
(θ为参数).
(1)求曲线C1的直角坐标方程与曲线C2的普通方程;
(2)将曲线C2经过伸缩变换
后得到曲线C3,若M,N分别是曲线C1和曲线C3上的动点,求|MN|的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/543f1ba8385f1345e9c73d75b3182b18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315b7af2d3ed6605ad233411568a453a.png)
(1)求曲线C1的直角坐标方程与曲线C2的普通方程;
(2)将曲线C2经过伸缩变换
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c1d1588e9ccf7657d36feaf72ac30e.png)
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11卷引用:甘肃省张掖市山丹县第一中学2019-2020学年高二下学期期中考试数学(文)试题
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10 . 已知在直角坐标系xOy中,圆C的参数方程为
为参数
,以坐标原点为极点,x轴的正半轴为极轴建立极坐标系,直线l的极坐标方程为
.
1
求圆C的普通方程和直线l的直角坐标方程;
2
设M是直线l上任意一点,过M作圆C切线,切点为A、B,求四边形AMBC面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c925e570b7262abe982bdf06b6a4cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ab68fbb17743d8f0384cbcd037985fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
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8卷引用:四川省成都七中2020-2021学年高三上学期半期考试理科数学试题
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