1 . 已知直线
的参数方程:
(
为参数),曲线
的极坐标方程:
,求直线
被曲线
截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7cbc78c5084a7a5a71107c2e4466a84.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/bd16120f984696519517c1df3f0d9b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 圆心
,半径为3的圆的参数方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f0ee968f9a247871a54e505fbd111b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 若以极点为原点,以极轴为x轴正半轴且单位长度相同建立直角坐标系,那么直线
(t为参数)被圆
所截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca29b23b54f301a525d87547de6d7d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ecf60aaca7da8ebd89a554ef5441f2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
4 . 已知曲线C:
(
为参数),以坐标原点O为原点,x轴正方向为极轴,建立极坐标系,则曲线C的极坐标方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03c546d0938e6c3e2969bbb495512427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 参数方程
(t为参数)化为普通方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9aff8ddcdc55b042752804e89a08c1a.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-07-03更新
|
340次组卷
|
2卷引用:甘肃省民勤县第一中学2021-2022学年高二下学期期中考试数学(文)试卷
解题方法
6 . 曲线C的参数方程为
(t为参数)表示的曲线是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aba25eb0ba79cfcd9fe631ce3243196.png)
A.直线 | B.椭圆 | C.双曲线 | D.圆 |
您最近一年使用:0次
2022-07-02更新
|
237次组卷
|
2卷引用:陕西省西安市鄠邑区2021-2022学年高二下学期期末文科数学试题
解题方法
7 . 曲线
的参数方程为
(
为参数),则曲线
的普遍方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/646919fe5ceab00c4cc7fd226ff3e22c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-06-30更新
|
249次组卷
|
3卷引用:江西省吉安市2021-2022学年高二下学期期末教学质量检测数学(文)试题
8 . 曲线
的参数方程为
(
为参数,
为常数),已知
,则当曲线
上的点
对应的参数
时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb281b370980dd7df90d2f0b2134a3be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f40d5459e1385ab7d829ea96ca0b946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3100b7d03fb818096021a893c15bd8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c84a09595eabd6ae21a2e8faa7465c.png)
A.1 | B.2 | C.![]() | D.3 |
您最近一年使用:0次
9 . 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,
轴正半轴为极轴建立极坐标系,曲线
的极坐标方程为
.当
与
有两个公共点时,实数
的取值范围为( )
![](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/5ad4c2ea2740311515f68f5b912265e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91961bef45be8ca151b12fd23594c9b.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/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439b9639fe2bd928dce5e3406a345f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-06-19更新
|
155次组卷
|
3卷引用:河南省南阳市第一中学2021-2022学年高二下学期第五次月考文科数学试题
10 . 直线
(
为参数)被曲线
所截的弦长( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b424b3fe7861a9e625bb8e6e1550a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/817e9e75925a8872149dba15c931b6b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次