名校
解题方法
1 . 方程
(
为参数)对应的曲线轨迹为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd145533592a87024367fd06e9675b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.圆 | B.椭圆 | C.双曲线 | D.抛物线 |
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2023-12-10更新
|
204次组卷
|
2卷引用:四川省成都市石室中学2022届高三上学期期末数学(理)试题
2 . 在平面直角坐标系
中,直线
经过点
,倾斜角为
,曲线
的参数方程为
(
为参数).
(1)写出直线
的参数方程和曲线
的普通方程;
(2)设直线
与曲线
相交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/521d2cbdff8483ebba708857163ef1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b08c5220809ecdd6095b2c3590cb524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(1)写出直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/3979f27823cdcba516dfa885d8afe19d.png)
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2023-03-18更新
|
654次组卷
|
2卷引用:陕西省西安市周至县2021届高三下学期二模文科数学试题
名校
解题方法
3 . 设
是椭圆
(
为参数)的左焦点.
是椭圆上对应于
的点,那么线段
的长是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b876fc2cd669fc924fa956bb3b9202a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4edb1714c9e1e5739efd858710c53bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
您最近一年使用:0次
2023-03-13更新
|
116次组卷
|
2卷引用:陕西省渭南市华阴市2020-2021学年高二下学期期末文科数学试题
4 . 在直角坐标系
中,直线
的参数方程为
(t为参数),以坐标原点为极点,x轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)求曲线
的普通方程和
的直角坐标方程;
(2)求
上的动点到
距离的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee315373700c4280304fe646fe6ba99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3bec9ed8a2e582f521893fe70a4933c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
解题方法
5 . 曲线
的参数方程为
(
为参数),则曲线
的离心率![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e22147bb190743ddc7dd3537a14167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e49877a18188a806e5bc312264796bf.png)
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2022-07-25更新
|
189次组卷
|
3卷引用:陕西省西安市蓝田县2020-2021学年高二下学期期末文科数学试题
2021高二·全国·专题练习
6 . 双曲线
上的点
到点
的距离是6,则点
的坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a0bd4bd9985f1e367c100b453ed03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2385884978fefcfd46ec027d0822e472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.(8,![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995d537587c94c8bd1420659a500babf.png)
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,圆
的极坐标方程为
,圆
与极轴和直线
分别交于点
,点
(异于坐标原点).
(1)写出点
的极坐标及圆
的参数方程;
(2)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995d537587c94c8bd1420659a500babf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eb989ab123acd2b26f7734444a3715d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b6d2853ae57f4d2c3b5a0ac6fd4a5f.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/120c0192f3a2e1bf69348350a710b737.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1180d78cdefd8c9fce9ba57d16fb774e.png)
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2022-03-16更新
|
399次组卷
|
7卷引用:广西2021届高三综合能力测试(CAT)(一)3月联考数学(文)试题
8 . 在直角坐标系
中,直线l的参数方程为
(t为参数),以坐标原点O为极点,x轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为
.
(1)求直线l和曲线C的普通方程,并说明C表示什么曲线;
(2)把曲线C上所有点的纵坐标变为原来的一半,横坐标不变,得到曲线
,B为曲线
上的动点,M为
和B的中点,求M到直线l距离的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311525c020b83d7decc28cc491b7ec8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f555b0af42ebdc36d9051d5ca7d6f8f.png)
(1)求直线l和曲线C的普通方程,并说明C表示什么曲线;
(2)把曲线C上所有点的纵坐标变为原来的一半,横坐标不变,得到曲线
![](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/56801f4cfc34a5f57cc7ad3b8dd74902.png)
您最近一年使用:0次
2022-02-26更新
|
647次组卷
|
3卷引用:青铜鸣2021-2022学年高三上学期12月大联考数学(理科)试题
青铜鸣2021-2022学年高三上学期12月大联考数学(理科)试题青铜鸣2021-2022学年高三上学期12月大联考数学(文科)试题(已下线)解密23 坐标系与参数方程 (讲义)-【高频考点解密】2022年高考数学(理)二轮复习讲义+分层训练(全国通用)
名校
解题方法
9 . 已知点
在圆
上,则
的最大值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8701e0cce437edc830438b4fe6277d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96507e55d4ea588a7a91c9583800e91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.![]() | B.10 | C.![]() | D.![]() |
您最近一年使用:0次
2021-12-14更新
|
1197次组卷
|
4卷引用:黑龙江省牡丹江市第一高级中学2021-2022学年高二上学期期中考试数学试题
10 . 在直线坐标系xOy中,曲线
的参数方程为
(t为参数),以坐标原点为极点,x轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)写出
的普通方程和
的直角坐标方程;
(2)设点P在
上,点Q在
上,求
的最小值及此时P的直角坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf604849f6142dff869e7c5184995b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e37aeca487cf5d10e203b149583e53.png)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)设点P在
![](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/d44e8bc37ed03f44470762748a8f942a.png)
您最近一年使用:0次