名校
1 . 已知直线
与直线
相交于点
,其轨迹记为曲线
,曲线
的方程为
,点
,
分别在曲线
,
上运动,点
在直线
上,若直线
经过点
,且与两曲线
,
的公共弦所在的直线垂直,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d19b5f51544de84ec35a34a992ce114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd7a3c761ade49cc51ea60214af887e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16225c4923f43fb57ab484753c4f01f.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74b72de4221a7de45fad497d0bb7ac1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
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2 . 已知点
,
是圆
上的一动点,点
是线段
的中点.
(1)求点
的轨迹方程;
(2)已知
、
是直线
上两个动点,且
.若
恒为锐角,求线段
中点
的横坐标取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9ab11ba6b230c4309e1b899eb58daae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3cb96f78ec5153e97ba299e8d18ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)已知
![](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/f3497af3942a788b64c6b91b62a8dbf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4afe0675f2c733af5c05ca00811c5ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc94d2886db80a11b81b71f9a6d1d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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3 . 已知平面上两定点A,B,满足
(
,且
)的点P的轨迹是一个圆.这个轨迹最先由古希腊数学家阿波罗尼斯发现,称作阿氏圆.利用上述结论,解决下面的问题:若直线
与x,y轴分别交于A,B两点,点M,N满足
,
,
,则直线MN的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a73d6ad2bd022a9a78f683cf20f98529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c525393775354325cbf7839366ca50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1576770308cd3a340859c462b557ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f594be39929452415c56f5052eae147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad9fdf8b318ddf822775a61ff26eb8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b18d8381183f00402b842ba48f67f7.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 若圆
:
与圆
:
内切,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d083eca71363f212352fb3af1c2974d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.29 | B.9 | C.![]() | D.19 |
您最近一年使用:0次
名校
5 . 在平面直角坐标系
中,已知圆O:
和圆
.
(1)若圆O与圆C关于直线l对称,求直线l的方程;
(2)若圆O上恰有三个点到直线
的距离都等于1,求b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fb76a0963ea061d873d4fd7aa58fbfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7712badf6e9c50c89ef1091fdb4121.png)
(1)若圆O与圆C关于直线l对称,求直线l的方程;
(2)若圆O上恰有三个点到直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.png)
您最近一年使用:0次
2024-02-15更新
|
85次组卷
|
2卷引用:陕西宝鸡金台区2023-2024学年高二上学期期末质量检测数学试题
解题方法
6 . 下列结论正确的是( )
A.![]() ![]() ![]() ![]() ![]() ![]() |
B.直线![]() ![]() ![]() ![]() |
C.直线![]() ![]() ![]() |
D.与点![]() ![]() |
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7 . 写出与圆
和
都相切的一条直线的方程______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df82492b85f4f13752a30533b95bb26b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/149ddaf005b4f4423478428471f5258f.png)
您最近一年使用:0次
8 . 已知圆
上一点
和圆
上一点
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/225b8653f0db0218af993e5de6531dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 圆
与圆
的公共弦所在直线的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70feca8eac775ebee7b6d9760e2be6f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53e57ada528bb106e124cad8ac380bc9.png)
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10 . 两圆
与
的公切线有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/588c69b6098aad9ab2bfea8089d7377b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe459ab8ef62ff800a2495c935e8f3d.png)
A.1条 | B.2条 |
C.3条 | D.4条 |
您最近一年使用:0次