解题方法
1 . 设O为平面坐标系的坐标原点,P为区域
内的点,则直线OP的倾斜角不大于
的概率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f1cbbdc2d2f1cefe45af8cfd70c91b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 由直线
:
上的一点
向圆
:
引两条切线
,
,A,
是切点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b979396a703fb14715ba39232f5786a.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/229d3c7defc6ba917177d434d02ab995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.线段![]() ![]() |
B.四边形![]() ![]() |
C.![]() ![]() |
D.当点![]() ![]() ![]() ![]() |
您最近一年使用:0次
3 . 已知圆
和圆
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800cc7f86ac1d6474e945a8a010336ef.png)
A.两圆的公共弦所在的直线方程为![]() |
B.圆![]() ![]() |
C.圆![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
4 . 已知圆心为C的圆经过
,
两点,且圆心C在直线
上.
(1)求圆C的标准方程;
(2)点P在圆C上运动,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19b62194097ac66a5093c57fca2f5b4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0693b34e767ea963d4a75863c072d217.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e04a6d711600fc4f8a8df876a85cce.png)
(1)求圆C的标准方程;
(2)点P在圆C上运动,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11570a4bd4dfb40c36ea12315e044336.png)
您最近一年使用:0次
2024-02-17更新
|
187次组卷
|
2卷引用:山东省济南市2023-2024学年高二上学期1月期末质量检测数学试题
5 . 已知
分别为圆
与圆
上的动点,
为
轴上的动点,则
的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9725805538266b57fd1652cb95b5cb22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c276e3b1691408baa392698364a99026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0919f9ea62f63cfc0d6bcd7736ec5480.png)
A.7 | B.8 | C.9 | D.10 |
您最近一年使用:0次
名校
6 . 若直线
在
轴、
轴上的截距相等,且直线
将圆
的周长平分,则直线
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38498095f8db1e2e4f3b430629fd095f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-29更新
|
400次组卷
|
2卷引用:广西壮族自治区玉林市2023-2024学年高二上学期1月期末数学试题
7 . 已知圆
经过
和
两点,且与
轴的正半轴相切.
(1)求圆
的方程;
(2)若圆
与圆
关于直线
对称,求圆
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c740674bd4d8164e7d5ae9481fc1b73e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd15d2726c0e196ed7a440a83affaae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
您最近一年使用:0次
8 . “陶辛水韵”于1999年被评为芜湖市新十景之一,每年入夏后,千亩水面莲叶接天,荷花映日,吸引远道游客纷至沓来,坐上游船穿过一座座圆拱桥,可以直达“香湖岛”赏荷.圆拱的水面跨度20米,拱高约5米.现有一船,水面以上高3米,欲通过圆拱桥,船宽最长约为( )
A.12米 | B.13米 | C.14米 | D.15米 |
您最近一年使用:0次
解题方法
9 . 已知直线
与圆
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c037b199f33cbed1efcffdd2376d8c10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f836381571deb3be0cbed8f619e6276.png)
A.所有圆![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.存在圆![]() ![]() ![]() |
您最近一年使用:0次
10 . 已知抛物线
:
的焦点为
,过点
(
)分别向抛物线
与圆
:
作切线,切点分别为
,
(
,
异于坐标原点
),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56dba6ef0c00b3442464e6d0f39cf5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e383fcc122f267043fbafe0972bfb900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() |
C.![]() ![]() ![]() | D.![]() |
您最近一年使用:0次