名校
解题方法
1 . 已知点
,
,点
在直线
上,则
的最小值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e8486793a64665b63323e33f3b8386.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c960fc862fd36db83082f5c50cd604b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
您最近一年使用:0次
2 . 公元前3世纪,古希腊数学家阿波罗尼斯(Apollonius)在《平面轨迹》一书中,曾研究了众多的平面轨迹问题,其中有如下结论:平面内到两定点距离之比等于已知数的动点轨迹为直线或圆后世把这种圆称之为阿波罗尼斯圆.已知平面直角坐标系中,
,
,动点
满足
.若点
的轨迹为一条直线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
________ ;若
,则点
的轨迹方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cffa52177f31cd10c42d00f69d4da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76fc88ea5357b675c01e93c62fea338d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc2dcfa1ffa559ab5283696095eebe1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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3 . 已知变量
,则
的最小值为__ .
![](https://img.xkw.com/dksih/QBM/2017/7/24/1736922152050688/1739372100059136/STEM/759a1a1b7fb744eea468da0e7ed71e24.png?resizew=48)
![](https://img.xkw.com/dksih/QBM/2017/7/24/1736922152050688/1739372100059136/STEM/622b84c6fc524cba853cccdacdf79268.png?resizew=198)
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2011·江苏泰州·一模
4 . 过直线
上一点
作圆
的切线
,若
关于直线
对称,则点
到圆心C的距离为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b584ef432bc03a383ed40ca2e120e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08443a9fd88fdcf2405ef3ce6ae574fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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名校
5 . 已知点
,
,点
在直线
上,若满足
的点
有且仅有1个,则实数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc59979afc2620b046822c643391168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/837917186a304a56902b4b6ffb00e503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8948ec2093ccaa531680e0aec5d063e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51aabe84c21ea073b0d562b003b87949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2016-12-04更新
|
526次组卷
|
3卷引用:江苏省泰州中学2022-2023学年高二上学期第一次月度检测数学试题