1 . 若圆
与圆
恰有一条公切线,则下列直线一定不经过点
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6285a0b323ce2e89786256b4674c504b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 已知
,
,圆
上存在点P,使得
,则a的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fadc9a19de13ca7688ca93f0c70a8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bbd15ddf2ac840cc08ad8492a0164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cf40220cccba8b7c85817f6936b727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b768ea6a05cbf45b28fc46c501ba532.png)
A.![]() | B.![]() | C.3 | D.4 |
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名校
3 . 已知圆
,若对于任意的
,存在一条直线被圆
所截得的弦长为定值
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117d7c630adc6fcb867e63b42a5af84a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
您最近一年使用:0次
2024-05-04更新
|
909次组卷
|
2卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
解题方法
4 . 已知圆
,若圆
上存在点
使得
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee52052eb5b8008784348f0d2db5e833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83640592853a53872d7af69c0cffc1bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 圆
与圆
的位置关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8fb69ddc915f0a4b2692d81e9364f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8117864cd030ac6ff7edbb13deee3743.png)
A.相交 | B.外切 | C.内切 | D.相离 |
您最近一年使用:0次
6 . 已知
为圆
上的动点,点
满足
,记
的轨迹为
,则下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63526b69de6148ea54f9ac9aa2c233bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043759bf10f1fbf845d4853f011c7826.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
A.轨迹![]() |
B.圆![]() ![]() |
C.过点![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
2024·全国·模拟预测
解题方法
7 . 已知圆
,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e786b749be5eef4540f94e3e414e63b.png)
,则( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b4aa195ea6a6febc916142422abef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e786b749be5eef4540f94e3e414e63b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f06970c8e4f23c2f90d2e001739ec9.png)
A.直线![]() ![]() |
B.直线![]() ![]() |
C.当![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知圆
,圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/152cbc38a78750a4949c3f59943777f7.png)
A.两圆的圆心距![]() |
B.若圆![]() ![]() ![]() |
C.若圆![]() ![]() ![]() |
D.若圆![]() ![]() |
您最近一年使用:0次
2024-04-26更新
|
1811次组卷
|
6卷引用:安徽省合肥市2024届高三第二次教学质量检测数学试卷
解题方法
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,以
轴正半轴为极轴,建立极坐标系,曲线
的极坐标方程为
.
(1)写出曲线
的普通方程和曲线
的直角坐标方程;
(2)曲线
与
交于
两点,求直线
的直角坐标方程及
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/599d4b331125ee88036c20f7494aa3e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.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/5536dafd24fb2c1bbed54d3695f0373c.png)
(1)写出曲线
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
您最近一年使用:0次
2024-04-24更新
|
402次组卷
|
2卷引用:陕西省西安市长安区2024届高三下学期第一模拟考试理科数学试卷
10 . 已知
分别是圆
与圆
上的动点,若
的最大值为12,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf0e47c5a1e0ffb1054bddb5194b4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次