2023·全国·模拟预测
1 . 在平面直角坐标系
中,圆
.以坐标原点
为极点,
轴正半轴为极轴建立极坐标系,圆
的极坐标方程为
.
(1)判断圆
与圆
的位置关系;
(2)若直线
的极坐标方程为
,直线
与
轴交于点
,与圆
交于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a600390189fea63fde543a6d64a8a59d.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/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cafb579dd4af3a4b9d38e747f5cd9e7.png)
(1)判断圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/381c69568330e44bfb81040753fedfdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05973a156ca66661253a02537dd303d.png)
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2 . (1)已知线段AB的端点B的坐标是
,端点A在圆
上运动,求线段AB中点M的轨迹方程;
(2)已知圆C的直径
,动点M与点A的距离是它与点B的距离的
倍,求点M的轨迹,并判断该轨迹与圆C的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/081cd41dab0f2a8f84b0e9f1df4843fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afc954e87bd737ec051d5c94837c8a7.png)
(2)已知圆C的直径
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
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3 . 已知圆
的圆心在直线
上,且圆
经过
两点.
(1)求圆
的标准方程;
(2)若点
满足:存在圆
上的两点
,使得
.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ac1756e6cc3266bd7198a024f871af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07c32248841846124947b4658904e6b.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b312367cf51225ea3bfbee2103b0c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebced1a9e1829ffa331f7864a3857b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2023-10-18更新
|
254次组卷
|
3卷引用:内蒙古部分名校2023-2024学年高二上学期10月联考数学试题
13-14高三上·河北唐山·期中
4 . 已知曲线
的参数方程为
(
为参数),曲线
的极坐标方程为
.
(1)将曲线
的参数方程化为普通方程,将曲线
的极坐标方程化为直角坐标方程;
(2)曲线
,
是否相交?若相交,请求出公共弦的长,若不相交,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce329f1d2df9dd0b70b57a52c92880ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19e3d19c7105721ef8220abe553ae67d.png)
(1)将曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
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2021-09-16更新
|
584次组卷
|
13卷引用:内蒙古赤峰二中2014-2015学年高二下学期第二次(6月)月考数学(文)试题
内蒙古赤峰二中2014-2015学年高二下学期第二次(6月)月考数学(文)试题(已下线)2014届河北省唐山市开滦二中高三上学期期中考试文科数学试卷2017届湖南师大附中高三上月考三数学(理)试卷2017届湖南师大附中高三理上学期月考三数学试卷河北省邢台市2016-2017学年高二下学期期末考试数学(文)试题人教A版 全能练习 选修4-4 第二讲 第一单元 3.参数方程和普通方程的互化四川省阆中中学2019-2020学年高二下学期第二次月考数学(文)试题四川省阆中中学2019-2020学年高二6月月考数学(文)试题(已下线)名校联盟2021-2021学年高三上学期期末联考试卷理科数学试题(已下线)名校联盟2021-2021学年高三上学期期末联考试卷文科数学试题黑龙江省大庆市肇州县2021届高三下学期二校联考数学(文科) 试题四川省宜宾市第四中学校2022-2023学年高三下学期开学考试数学(理)试题四川省宜宾市第四中学校2022-2023学年高三下学期开学考试数学(文)试题
5 . 在平面直角坐标系
中,O为坐标原点,点
,直线
.
(1)若坐标平面上动点M满足
,求动点M轨迹C的方程;
(2)设半径为
,圆心N在
上的圆N和(1)中轨迹C有公共点,求圆心N横坐标
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f94c4f6b762fddb0e313050ef6932eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc5d3a7641b4dd5d4335beaf7557f3a.png)
(1)若坐标平面上动点M满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed154dc722c0576255346d7f237969ac.png)
(2)设半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 已知直角坐标平面上点
和圆
.动点
到圆的切线长等于
的
倍.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/848398bb-b6a7-4ae9-8847-c82ff33eb5c4.png?resizew=196)
(1)求出点
的轨迹
方程.
(2)判断曲线
与圆
是否有公共点?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f579b73ca01978ec68e716f993bc3766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debc578b8121b06920648eadcec1563b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/9/848398bb-b6a7-4ae9-8847-c82ff33eb5c4.png?resizew=196)
(1)求出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)判断曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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