1 . 已知在直角坐标系
中,曲线
的参数方程为
,(
为参数).点
,
为
上一点,若
,则
的面积为( )
![](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/f63baf9406aa2d99e6f623d6c6c78511.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a29ba49963134a7232fa8574105fc3.png)
![](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/4ae817597d18263d16da116fdeb5abe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225c0723cc3e08112fde8a02051997d8.png)
A.![]() | B.![]() | C.2 | D.1 |
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2019-07-05更新
|
637次组卷
|
3卷引用:山西省太原市第五中学2018-2019学年高二5月数学试题
2 . 直线
(
为参数)与曲线
(
为参数)的公共点的坐标为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3514f44bc7c8cab77a25289c551eaa78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84edff91184f0f86b4ccda2fef9c3a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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2020-01-30更新
|
395次组卷
|
4卷引用:2016届上海市宝山区高考二模(理科)数学试题
2020高三·全国·专题练习
3 . 将下列参数方程化为普通方程:
(1)
(
为参数);
(2)
(
为参数).
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e41888c221bb2b1fa7c9fdde9b97e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cacabfcd5276b62e8135fb94c32db3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
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4 . 参数方程
所表示的曲线与
轴的交点坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a800ca1763a91a8610c49955474755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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名校
5 . 下列参数方程能与方程
表示同一曲线的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e8953ded144195804384dcb494d5e2a.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2017-04-21更新
|
222次组卷
|
3卷引用:2016-2017学年湖北省武汉市第二中学高二下学期期中考试数学(文)试卷
解题方法
6 . 已知抛物线的参数方程为
(
为参数),若斜率为
的直线经过抛物线的焦点,且与抛物线相交于
两点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c878f22864c8bacafe3b802b243bb2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-03-03更新
|
181次组卷
|
2卷引用:2016-2017学年山东省烟台市高二上学期期末考试数学(文)试卷
12-13高二下·黑龙江牡丹江·期中
名校
解题方法
7 . 下列在曲线
(
为参数)上的点是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea05e40ea73bc4da7974c561a38afb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-01更新
|
1177次组卷
|
5卷引用:2012-2013学年黑龙江省海林市高级中学高二下学期期中考试文科数学试卷
(已下线)2012-2013学年黑龙江省海林市高级中学高二下学期期中考试文科数学试卷2014-2015学年吉林省吉林市五十五中高二下学期期中考试文科数学卷2015-2016学年黑龙江省佳木斯二中高二下期中文科数学试卷陕西省黄陵中学2016-2017学年高二(普通班)下学期期末考试数学(文)试题【全国百强校】甘肃省静宁县第一中学2018-2019学年高二下学期第一次月考数学(理)试题
8 . 设曲线
的参数方程为
(
为参数),若以直角坐标系的原点为极点,
轴的正半轴为极轴建立极坐标系,曲线
:
.
(1)求曲线
的极坐标方程;
(2)若曲线
与曲线
相交于
、
,求弦
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f361a3cf8af3d13b12291f82d4bdc2e7.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6950e3e6df6c3f13fae775f242de9227.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若曲线
![](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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