名校
1 . 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
|
905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
名校
2 . 已知圆
,直线
,过直线上的一点
,作
,使
,边
过圆心
,且
在圆
上,则点
的横坐标的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6034990bc9a04406fe003a7c58c56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36385f4bd89d51b935b1cfcbe6331537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
您最近一年使用:0次
3 . 已知
:
的圆心坐标为
,半径为r,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b42e5145bb36c0971ee4e699339355.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dfa0f7b2bf7295220a1b8730991693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b42e5145bb36c0971ee4e699339355.png)
您最近一年使用:0次
名校
4 . 已知圆C的方程为
,则圆C的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/586631cf97f1d2a17f5c5b7601651ebf.png)
您最近一年使用:0次
2024-02-23更新
|
315次组卷
|
2卷引用:浙江省慈溪市2023-2024学年高二上学期期末测试数学试卷
5 . 方程
表示一个圆,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a25551b7fdcfef454c716d57205294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
6 . 已知圆
与直线
交于A,B两点,则经过点A,B,
的圆的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54329a84abb204cecb237b2bf2ff2bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3b4416a186069ad6dbe9d9c1ed76e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51775ad7d2e925dfbc4c9fa3ba4ee0f1.png)
您最近一年使用:0次
2024-02-04更新
|
1609次组卷
|
4卷引用:浙江省温州市2024届高三上学期期末考试数学试题
7 . 已知直线
,动直线
被圆
截得弦长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a1a650edf276e4d8a98f68eb10ac12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fa2b46e00b2988f35107b9e378a3400.png)
您最近一年使用:0次
2024-03-19更新
|
300次组卷
|
2卷引用:浙江省武义第一中学2023-2024学年高二上学期11月检测1数学试题
8 . 圆的方程为
,则该圆的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb51bcd1037ea835a0f0a1d781212432.png)
您最近一年使用:0次
2023-11-13更新
|
192次组卷
|
2卷引用:浙江省嘉兴市八校联盟2023-2024学年高二上学期期中联考数学试题
名校
解题方法
9 . 已知圆
,圆
的弦
被点
平分,则弦
所在的直线方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f832e5dabe5d5bc5b405e4bf84c0c0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/451fc6e4248b63e70595f23842f06c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023-11-08更新
|
510次组卷
|
2卷引用:浙江省温州市环大罗山联盟2023-2024学年高二上学期期中联考数学试题
名校
10 . 已知方程
表示圆,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2851691ae353e6d87650c32946e4abbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-10-30更新
|
580次组卷
|
5卷引用:浙江省台州市路桥中学2023-2024学年高二上学期10月月考数学试题