名校
1 . 已知圆
:
和圆
:
,则两圆公共弦所在直线的方程为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/874eb6035e81942390bd79662dcc6f66.png)
您最近一年使用:0次
2024-05-08更新
|
277次组卷
|
2卷引用:广东实验中学2023-2024学年高二下学期期中考试数学试题
名校
2 . (1)求圆
和圆
的公切线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
与抛物线
相交,求弦长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d5b68c97448290f6ed3172bdf384abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/732cec7b8b8554dba130da909c6ec8bf.png)
您最近一年使用:0次
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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
|
904次组卷
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2卷引用:2024届浙江省丽水、湖州、衢州三地市二模数学试卷
4 . 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
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5 . 已知圆
,圆
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff1cc59295f702ce35d65c22a7e27e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23a5e2fb60d7cab8efc1ed28f05dae28.png)
A.直线![]() ![]() |
B.圆![]() ![]() |
C.若P,Q分别是圆![]() ![]() ![]() |
D.经过点![]() ![]() ![]() |
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2024-04-22更新
|
1080次组卷
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2卷引用:河北省沧州市沧县中学2024届高三下学期3月高考模拟测试数学试题
6 . 已知圆C:
与曲线
有交点,则a的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0112b7b8b0a311923d472dd671be6766.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0100b2d6b72f7674d7258da1d50e620.png)
A.1 | B.2 | C.3 | D.4 |
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7 . 已知
在
处的切线与圆
相切,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae11a628b007f14d522bd718daf9ffa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab0a8f5c44c6aba28256af58b3f6043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
8 . 已知圆
和圆
,则两圆公共弦所在直线的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126f8914f06e2ee55d92d15c2ec34920.png)
您最近一年使用:0次
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9 . 已知圆
与圆
相内切,则实数a的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c50969d52579a90d3367869ab55a2cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
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10 . 已知圆
与圆
交于A,B两点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71bb5e6891d5014a58cf32646655dad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35eff8784a75aa7d0156eb42f1e21858.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d103d683d2fd06b6fa9ec5523c2ea0c9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-16更新
|
876次组卷
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2卷引用:河北省石家庄市2024届高三下学期教学质量检测(二)数学试卷