1 . 在平面直角坐标系xOy中,已知曲线C的参数方程为
(t为参数).以O为极点,x轴正半轴为极轴建立极坐标系,直线l的极坐标方程为
,其中α为倾斜角,且
.
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设l与曲线C相交于P,Q两点,直线OP,OQ的斜率为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d9cbe04956ef4b95ef024abd8996a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f0838287a18587c531ee73b4dd71ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dac81d455c635326354f30f129e0b00.png)
(1)求曲线C的普通方程和直线l的直角坐标方程;
(2)设l与曲线C相交于P,Q两点,直线OP,OQ的斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b69e3f7ddd51215d00661c09cd900d60.png)
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2023-05-15更新
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3卷引用:江西省九江市2023届高三三模数学(理)试题
2 . 在直角坐标系中,曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)分别求曲线
的普通方程和直线
的直角坐标方程;
(2)定点
,直线
与曲线
交于
两点,弦
的中点为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc6f0d94317887fe1ca36df5a273169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/1eb4d8cadef02b57f23692634df3deb6.png)
(1)分别求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b916a7bbb9b3de21ed514733db8ceb.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://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221b97034eb4aa5acc6eafb58bfa3f53.png)
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名校
3 . 在平面直角坐标系中,曲线C的参数方程为
(
为参数),以原点O为极点,x轴的非负半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求曲线C的普通方程与直线l的直角坐标方程;
(2)设直线l与曲线C交于A,B两点,点P的坐标为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b2fd4f6bca2c467e2a7afa5acc8e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99fca72cdb82a500ed0964907afc62e8.png)
(1)求曲线C的普通方程与直线l的直角坐标方程;
(2)设直线l与曲线C交于A,B两点,点P的坐标为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7384b9afcef2d86a87eee0c66f383052.png)
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5卷引用:江西省九所重点中学(玉山一中、临川一中等)2022届高三3月联合考试数学(文)试题
4 . 在平面直角坐标系
中,直线
的参数方程为
(t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
的极坐标方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35097824f3ec45d6bdf4092956412e2b.png)
(1)求曲线C的直角坐标方程和直线l的普通方程;
(2)若
与C交于M,N两点,点
,求
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/88a38dba8925a1d010cb9bc4f3c90295.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35097824f3ec45d6bdf4092956412e2b.png)
(1)求曲线C的直角坐标方程和直线l的普通方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e4c652fd34eb7de9dbf84d92c6e640.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77684b3856f797403b2040c5dc73c2ce.png)
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3卷引用:江西省抚州市金溪县2023届高三高考仿真模拟考试数学(文)试题
5 . 在平面直角坐标系
中,以
为极点,
轴的正半轴为极轴,建立极坐标系.曲线
的极坐标方程为
,曲线
的参数方程为
,(
为参数),
.
(1)求曲线
的直角坐标方程,并判断该曲线是什么曲线;
(2)已知点
,设曲线
与曲线
的交点为
、
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b85d84590f5eae492f8069d4e266f6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ec4ec4b327af5ca3338b5045a707aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f102439ebd1efd422f04209ecec2bf.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e9b5e076078240e0c5ad9763a9824d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/e10287a4ee6d26b5f495bdbd3d1dc510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
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18卷引用:江西省宜春市丰城拖船中学2023届高三一模数学(文)试题
江西省宜春市丰城拖船中学2023届高三一模数学(文)试题江西省宜春市丰城拖船中学2023届高三一模理科数学试题2017届湖南省高三长郡中学、衡阳八中等十三校重点中学第二次联考文科数学试卷2017届辽宁省部分重点中学作协体高三考前模拟考试 数学(文科)试卷河南省南阳市第一中学2016-2017学年高二下学期第二次月考(5月)数学(文)试题河北省曲周县第一中学2016-2017学年高二下学期期末考试数学(文)试题2017届吉林省长春市普通高中高三下学期第二次模拟考试数学(文)试卷河南省南阳市第一中学2018届高三上学期第八次考试数学(理)试题河南省南阳市第一中学2018届高三上学期第八次考试数学(文)试题四川省成都市龙泉第二中学2019届高三12月月考数学(理)试题2017届吉林省长春市普通高中高三下学期第二次模拟考试数学(理)试卷安徽省淮北市濉溪县2018-2019学年高二下学期期末数学(文)试题吉林省长春市普通高中2022届高三质量监测(二)理科数学试题吉林省长春市普通高中2022届高三质量监测(二)文科数学试题吉林省长春市东北师大附中、黑龙江省大庆实验中学2022届高三模拟模拟联合考试文科数学试题吉林省长春市东北师大附中、黑龙江省大庆实验中学2022届高三模拟模拟联合考试理科数学试题黑龙江省牡丹江市第三高级中学2022届高三第三次模拟数学(文)试题甘肃省兰州市西固区兰州市第六十一中学2023届高三上学期10月月考理科数学试题
名校
6 . 在直角坐标系中,圆
经过伸缩变换
后得到曲线
.以坐标原点为极点,
轴的正半轴为极轴,并在两种坐标系中取相同的单位长度,建立极坐标系,直线
的极坐标方程为
.
(1)求曲线
的直角坐标方程及直线
的直角坐标方程;
(2)设点
是
上一动点,求点
到直线
的距离的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac09f1115b3d8583f8c309601cfbd645.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.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/3fe2c33841becfba63787d2964c9ea12.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2018-08-29更新
|
4887次组卷
|
9卷引用:【市级联考】江西省南昌市2017-2018学年度高三第二轮复习测试卷文科数学(七)
名校
7 . 已知直线
(其中常数
,
为参数),以原点
为极点,以
轴非负半轴为极轴,取相同的单位长度建立极坐标系,曲线
的极坐标方程为
.已知直线
与曲线
相切于点
.
(1)求
的值;
(2)若点
为曲线
上一点,求
的面积取最大值时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a2db48758d8409bde1a2cfd0dc447e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.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/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若点
![](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/d3991001f80af2716b605efe2d7641d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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|
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4卷引用:江西省南昌市第十中学2022届高三下学期高考仿真模拟考试(一)数学(文)试题
名校
8 . 在直角坐标系
中,曲线
的参数方程为
(
为参数),以坐标原点为极点,
轴正半轴为极轴建立极坐标系,直线
的极坐标方程为
.
(1)写出曲线
的极坐标方程及直线
的直角坐标方程;
(2)设直线
与曲线
的交点分别为
,
,点
(异于
,
两点)在曲线
上运动,求
面积的最大值.
![](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/c2fe38a6f6ecc1390448933814b8d1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.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/33f270cacf51ee7a94f5d9dbd492b321.png)
(1)写出曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
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2020-09-19更新
|
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6卷引用:江西省新余市第一中学2021届高三全真模拟考试数学(文)试题
江西省新余市第一中学2021届高三全真模拟考试数学(文)试题2020届河北省衡水中学高三卫冕联考数学(理)试题2020届河北省衡水中学高三卫冕联考数学(文)试题(已下线)专题22 坐标系与参数方程-2020年高考数学(文)母题题源解密(全国Ⅰ专版)(已下线)专题22 坐标系与参数方程-2020年高考数学(理)母题题源解密(全国Ⅰ专版)四川省宜宾市天立学校2021届高三高考数学押题卷数学(理)试题
9 . 在直角坐标系xOy中,曲线C的参数方程为
(
为参数),将曲线C向上平移1个单位长度得到曲线
.以O为极点,x轴的正半轴为极轴建立极坐标系,设
.
(1)求曲线
的普通方程和点P的直角坐标;
(2)已知直线l经过点P与曲线
交于A,B两点(点A在点P右上方),且
,求直线l的普通方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c0f9c8c507b8aa42cad870ab05004e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c1dd0d282af6a2ba9920877a06f2c4.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)已知直线l经过点P与曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/250778bb695466a759f3023ce50d53b8.png)
您最近一年使用:0次
2023-04-29更新
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466次组卷
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3卷引用:江西省上饶市2023届高三二模数学(理)试题
10 . 在平面直角坐标系xOy中,已知曲线C的参数方程为
(
为参数),以坐标原点O为极点,x轴的非负半轴为极轴建立极坐标系,直线l的极坐标方程为
.
(1)求曲线C的极坐标方程及直线l的直角坐标方程;
(2)若直线l与曲线C相交于A,B两点,且
,求a.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34d4b2ef1b64599737fe535dad2cdf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e3df7bfcb33a94a83eecd4b9793d717.png)
(1)求曲线C的极坐标方程及直线l的直角坐标方程;
(2)若直线l与曲线C相交于A,B两点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd33fd61545ef78df7bcde667baba30.png)
您最近一年使用:0次
2022-04-29更新
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1035次组卷
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5卷引用:江西省南昌市2022届高三第二次模拟测试卷数学(理)试题
江西省南昌市2022届高三第二次模拟测试卷数学(理)试题江西省南昌市2022届高三第二次模拟测试数学(文)试题四川省成都市锦江区嘉祥外国语高级中学2022届高三高考适应性考试(一)理科数学试题(已下线)考点19 直线和圆的方程-1-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)内蒙古师范大学附属第二中学2021-2022学年高二下学期期中数学试题(文)