名校
1 . 已知圆
,直线
,圆上恰好有两个点到直线
的距离等于1.则符合条件的实数
可以为______ .(只需写出一个满足条件的实数即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5568579340b4a3daf3f01b6dbc4048a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
2 . 若圆
关于直线
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/206aba21c0a9386a2a46858bb920ecd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c1212804e6d784756d48083d166e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-03-12更新
|
754次组卷
|
3卷引用:黑龙江省大庆市大庆实验中实验二部2023-2024学年高二下学期开学考试数学试题
黑龙江省大庆市大庆实验中实验二部2023-2024学年高二下学期开学考试数学试题安徽省部分学校2024届高三上学期期末质量检测数学试题(已下线)热点7-1 直线与圆综合(10题型+满分技巧+限时检测)
名校
3 . 古希腊著名数学家阿波罗尼斯与欧几里得、阿基米德齐名,他发现:平面内到两个定点
,
的距离之比为定值
(
且
)的点所形成的图形是圆,后来,人们把这个圆以他的名字命名,称为阿波罗尼斯圆,简称阿氏圆.已知点
到两个定点
,
的距离之比为2,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d259822ab64b8626f3893b8432673358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8748dc55e2f45bc37fc4d84d7310f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5250eea09b834b8ca9ec535b11a6ecbd.png)
您最近一年使用:0次
2024-03-07更新
|
191次组卷
|
2卷引用:湖南省常德市汉寿县第一中学2023-2024学年高二下学期入学考试数学试题
4 . 从坐标原点
向圆
作两条切线,切点分别为
,切线
的斜率的乘积为
,则点
到圆
的圆心的距离的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741a2ed94e35c1f81d3669c2707ca095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f65dbed884e2248ec075655c684aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077855b1492bf35aac52f358e5e093ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
名校
5 . 若直线
(
)与圆
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7d7ca9b1970b78a6e7b5b6cfbe3533.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
您最近一年使用:0次
名校
6 . 蒙日是法国著名的数学家,他首先发现椭圆的两条相互垂直的切线的交点的轨迹是圆,所以这个圆又被叫做“蒙日圆”,已知点A、B为椭圆
上任意两个动点,动点
在直线
上,若
恒为锐角,则根据蒙日圆的相关知识,可知实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae21a4d12b4d54207e230be227f1946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdbdde0d310f15a436cc47b27324f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
解题方法
7 . 已知圆
与中心在原点、焦点在
轴上的双曲线
的一条渐近线相切,则双曲线
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/949a21d6f1a4bc5a3247bc7e2ddec19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
23-24高二下·上海·开学考试
8 . 在直角坐标系中,已知
,
,点
满足
,则直线
的斜率的取值范围为__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b47e7bf02b3ca16f7d96b9369e51a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28ad58f426c58a9b2b89be292191dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
您最近一年使用:0次
9 . 过抛物线
的焦点
作圆
的两条切线,切点分别为
,
,若
为等边三角形,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8f39c669699aef9d2a48277f90adda.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/91a9bf6bda9363dbef5f6ff4bf6a5edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
您最近一年使用:0次
2024-01-25更新
|
109次组卷
|
2卷引用:四川省广元市川师大万达中学2023-2024学年高二下学期入学考试数学试题
名校
10 . 已知直线
与圆
相交于
两点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e5e815fc2bbf03d424b52fa920dd0e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f6e1f67dc15c3cf135a78af95c70fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e6fc608135fcf2d0fbb9a36f78c996c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e5e815fc2bbf03d424b52fa920dd0e.png)
您最近一年使用:0次
2024-01-07更新
|
202次组卷
|
4卷引用:高二数学开学摸底考 01(人教B版2019选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷
(已下线)高二数学开学摸底考 01(人教B版2019选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷河南省焦作市博爱县第一中学2024届高三下学期开学摸底考试数学试题宁夏石嘴山市第三中学2015-2016学年高一下学期期末数学试题江西省宜春市丰城市东煌学校2024届高三上学期期末数学试题