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1 . 极坐标方程
,
和
所表示的曲线围成的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1656178bb8d085a5cbeda8e90cf4e86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f148770f94443d3720c0ec10f998989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/841afc4d922ade4abfae0bceeaae425f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 设曲线C的参数方程为
(
为参数),直线
的方程为
,则曲线
上到直线
距离为
的点的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5383471113e277e30153c91607614a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.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)
A.1 | B.2 | C.3 | D.4 |
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解题方法
3 . 已知动圆方程
(
为参数),那么圆心的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79239790073de46be7ddb04329bfcaa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.椭圆 | B.椭圆的一部分 | C.抛物线 | D.抛物线的一部分 |
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4 . 在极坐标系中,定点
,点
在直线
:
上运动,当线段
最短时,点
的极坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db95c9510e9c436c4d8269956f8bd192.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/60e68cb12679672d1f7a5b467f0f86f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 在极坐标系中,圆
的圆心到直线
的距离是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69cf89e94eb51129f144d9809ec290f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851b4202295a4c7605bcd266f14e3cb1.png)
A.1 | B.2 | C.3 | D.4 |
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6 . 已知圆C:
(
为参数,
),则过点
的圆C的最短弦的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866eeebe8608b11e667b77a5efb8dd63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97df5ceec3ec2af6d75b71dee62c0027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5de78b493bc2cc9696c584325c22ee7.png)
A.2 | B.![]() | C.![]() | D.![]() |
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7 . 已知点
与
关于坐标原点对称,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbff397ced62d95bc9c1563d5145d4d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14e520be9f58ff30eff40b10ceb0d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
A.5 | B.1 | C.![]() | D.![]() |
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2023-10-23更新
|
216次组卷
|
2卷引用:江苏省宿迁市泗阳县实验高级中学2023-2024学年高二上学期开学测试数学试题
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8 . 在同一个平面直角坐标系中,曲线
的图象经过
伸缩变换后得到的图象对应的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b072ff6d1b83232bebd7d4709ffba4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ccce02fccf9fbbe70204dea9e92eac.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 在极坐标中,已知两点
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31392c8ea3a1d8814cf8d15102a66c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4ca8cb6859fe16fa7d92b873d08032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
A.4 | B.2 | C.![]() | D.13 |
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10 . 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
,曲线
的极坐标方程为
,若
与
相交于
两点,则
的值为( )
![](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/a6706310e4b5822f9becd0ad3ca93b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd107a3bd02032f479fd6ecc41c66a84.png)
![](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/e62c7c5232af6f5b52e150c86bb1993c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/400acd92ae7a90f4aeb15ce06677b42a.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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