1 . 已知圆
的方程是
,则圆心
的坐标是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38498095f8db1e2e4f3b430629fd095f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2 . 平面点集
所构成区域的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854456c1cae10696d5975680d722ebce.png)
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3 . 求经过点
且圆心在直线
上的圆的标准方程为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ebb8cd9cfe7b1dc0bb866d42e42510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac27984896c556ce6060e691eb708d4.png)
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4 . 已知复数z满足
,则复数
的模
的最大值是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49965ebbca0ce414880a9164c83d4e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9ffa7f988172eb85f5b21d7474aba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
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5 . 已知圆
的面积为
,则实数
的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a25551b7fdcfef454c716d57205294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 若点
在圆
外,则实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee61b697eae20867a0c16f2f094ed379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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7 . 过三点
的圆的标准方程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd209afb481cfc83f2284ec87b53fb0.png)
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8 . 阿波罗尼斯是古希腊著名数学家,与阿基米德、欧几里得并称为亚历山大时期数学三巨匠,他研究发现:如果一个动点
到两个定点的距离之比为常数
(
,且
),那么点
的轨迹为圆,这就是著名的阿波罗尼斯圆.若点
到
,
的距离比为
,则点
到直线
:
的距离的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c77a42750684cb6157c2c7fb9422a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.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/76218cf7a5779168198df12edafa276a.png)
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2024-06-11更新
|
57次组卷
|
2卷引用:青海省海东市第一中学2023-2024学年高二上学期期中考试数学试题
9 . 已知直线
:
,点
,
,点
在直线
上的射影为
,则线段
长度的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a102f882052aa9b9c921a1af96de10a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f68f688a0af020ed2aa105a1bcdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
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