名校
解题方法
1 . 若直线
是曲线
的一条对称轴,则
的最小值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307dc5245375b34a69ec10f82af13768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705d6d0a046281db9a588d76b4fc2199.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7266b2ef457b8ddeee3fa2cc24022e.png)
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解题方法
2 . 已知O是
所在平面内一点,且
,
,
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42083f00cd68320e4e0275400c139551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8533b7d67a3d95340a8462819680367f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98db0299f88f80030e8b01debb45d8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
A. ![]() | B. ![]() | C.![]() | D.![]() |
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3 . 在△ABC中,若角A,B,C的对边分别为a,b,c,则△ABC的面积
,其中
,称该公式为海伦公式,该公式可推广到平面四边形:若四边形ABCD内接于圆E,且四边长分别为a,b,c,d,则四边形ABCD的面积
,其中
,若面积为
的四边形ABCD内接于圆E,
,
,点C,D在x轴上方,且
,
,则圆E的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dab06d51bc8c3b659ba7abaa67c6f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f2d50ca5cc415bf6721faf2221d626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3f3d5d27c3574355097050c813ebe8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/575008e0b065f0d535251a041203f99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e7dc603317eb90974c75efec9f02b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fe2c124d5bbbbe666ee145cd454b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89488b28105f7612b3da3b90c1b935e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7fcbc06a3269890bb9971a48ac2d35.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
4 . 如图,设
,
是圆
上的两个动点,且M、P点都不在坐标轴上,点M关于原点的对称点为
,点M关于x轴的对称点为
,若直线
,
与y轴分别相交于
和
则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/793894c733026e3f5900b31538fcb731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8a0d57b17ddff13ca6f17f3969a32b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/393a0e30b023f2a20d366eef481b5eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df1d9b712b639c8b6809c9f3ae03706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566b349adddfbd4144f0ecf7a13b05bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/924d2a2d9437355998498de38b5ebf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e4ea387d312c373970434e84779364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f667b7672302c7644e31103865e9230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3fa6438d73fac62ea3d535f1c1cdab.png)
A.2 | B.4 | C.6 | D.8 |
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5 . 已知
,
,圆M经过A,B两点,且圆的周长被x轴平分,则圆M的标准方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0d256036d52b784b8c68bfc8db69d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e154f6a67448b1799268115612399151.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
6 . 已知直线
与圆
交于
两点,直线
垂直平分弦
,则
的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b553ae0c4dd0073b4c83995ab6085b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f0144941f7935f68f39d828a93a85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 已知圆D:
与x轴相交于A、B两点,且圆C:
,点
.若圆C与圆D相外切,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/835b6de56d01d3c6a6988542409ca286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75e2850bb27c38d07a97495b41c3342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149ee9d2da588990c54ec5199ad221ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149693be1d17def7dda655114711d4d6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
8 . 已知A为圆
上的动点,B为圆
上的动点,P为直线
上的动点,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80db2b0d407b8f80645854bb724bfb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ad684e3777ec97325ab2f5c3b48feb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca5ca5c874676e791ece6429ebe707d.png)
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2024-04-07更新
|
127次组卷
|
2卷引用:河南省部分学校(金科)大联考2023~2024学年高二下学期第一次质量检测数学试题
名校
解题方法
9 . 记椭圆
:
与圆
:
的公共点为
,
,其中
在
的左侧,
是圆
上异于
,
的点,连接
交
于
,若
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4be819fc47b2aa19ab2022b3dfeb6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/740bc50dfce975366f4d851b7c570d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-27更新
|
804次组卷
|
5卷引用:河南省濮阳市2024届高三下学期第一次模拟考试数学试题
名校
解题方法
10 . 已知圆
,直线
,若圆
上任意一点关于直线
的对称点仍在圆
上,则点
必在( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05b9412351e4b26794281e44e2de579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ecb418cfe2858bbd8eeda0fc5f5711.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
A.一个离心率为![]() | B.一个离心率为2的双曲线上 |
C.一个离心率为![]() | D.一个离心率为![]() |
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2024-03-25更新
|
512次组卷
|
4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