1 . 与圆
外切于原点,且半径为
的圆的标准方程为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da045d7d822d1a0f9c14caf55fda5708.png)
![](https://img.xkw.com/dksih/QBM/2016/1/8/1572426203447296/1572426209304576/STEM/fc8a2e5a10c549e290f25f6883ee71ee.png?resizew=30)
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2016-12-04更新
|
420次组卷
|
2卷引用:福建省福州市2016届高三基地校总复习综合卷数学试题
2 . 在△ABC中,
、
、
,给出△ABC满足的条件,就能得到动点A的轨迹方程,下表给出了一些条件及方程:
则满足条件①、②、③的轨迹方程分别为 (用代号
、
、
填入).
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/24269a398ef8464db604a081423a9f8f.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/715fd4ae77bb4d2fbdc64d4acf5a6e17.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/bb9c0aa53a61409ca0a97cf96c630814.png)
条件 | 方程 |
①△ABC周长为10 | ![]() ![]() |
②△ABC面积为10 | ![]() ![]() |
③△ABC中,∠A=90° | ![]() ![]() |
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/c792c3b659ff4b02bd0eef907a631d4b.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/190368cd761c42d5aebbb878b3e80843.png)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572467990872064/1572467996860416/STEM/37a5f106d2414721819734f6329a59e3.png)
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3 . 过点
的直线交圆
于两点
、
,若点
是弦
的中点,则弦
所在直线的方程是_________ .
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/0a39e73a283545a7b91a5dcaa55e0248.png?resizew=45)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/e59975266d5546029f5909685265aee6.png?resizew=107)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/9c54b65d0701460a89d18aa99cfd2c54.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/c71886361cbb41a4884dbd02338103d2.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/c903c7b03a8240a8be308fd03caa78a3.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/5776806656f0429cbf525076e2b49830.png?resizew=27)
![](https://img.xkw.com/dksih/QBM/2016/1/27/1572470454476800/1572470460039168/STEM/5776806656f0429cbf525076e2b49830.png?resizew=27)
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名校
解题方法
4 . 已知i为虚数单位,若复数
满足
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40351d6099f5f61ddefbac620493046b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab84fc5e5a4823e41a03da7740afcc7.png)
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5 . 已知圆
,若直线
与圆
相切,且切点在第二象限,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd3b9e940e48fed53bde5887387444d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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6 . 已知直线
过圆
的圆心,且与直线
垂直,则
的方程是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff92e07d0e87dcd417c0e51db24f081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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7 . 已知直线
过圆
的圆心,且与直线
垂直,则
的方程是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff92e07d0e87dcd417c0e51db24f081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8a3365e99f926b1dafa901ab232152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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12-13高三·福建泉州·阶段练习
解题方法
8 . 已知直线
与圆
相切,若
,
,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89ee751c3a0a84929f9972f9d6fada5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c067570a690e6e60df5d8d7c8a556b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abed8ad6847a14d69f926411bfd6cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
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2016-12-02更新
|
477次组卷
|
3卷引用:2013届福建省泉州市普通中学高三毕业班质量检查理科数学试卷
9 . 过点(1,0)且与直线
相切的圆的圆心轨迹是__________
![](https://img.xkw.com/dksih/QBM/2016/1/20/1572449831698432/1572449837072384/STEM/9cd8740c3ca04aa9b1a74b2ac14d3b9b.png?resizew=45)
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10 . 若在圆
上有且仅有两个点到原点
的距离为1,则实数
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56bbc0fc8cae9632c69bacf16cc03a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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