名校
1 . 在平面直角坐标系中,已知边长为2的正方形的中心在坐标原点,且各边均与坐标轴平行,圆
为该正方形的外接圆,过点
作圆
的两条切线,切点分别为
,
,则直线
的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2007972af3341f27fbc32ce62dfce5e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2023-11-20更新
|
72次组卷
|
2卷引用:海南省2023-2024学年高二上学期11月期中阶段性教学检测(一)数学试题
2 . 已知
,
,
,设
中
边上的高所在的直线为
,则点
到
的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c53c2ce5532642de107e0d85c75f3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f208b66a3cb7e52efca293f3828db30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62f20dd66538cb6b3194a1286b1c6e5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6951479694aec937a712901634a5a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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3 . 在空间直角坐标系中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fcc85e1f545c9203d4de87b33c561c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e70f9d3de9f579bb4c84a571c227c080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aab59a34fc8e9efc023657f1374a1dc.png)
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解题方法
4 . 在长方体
中,
,以D为原点,
,
,
方向分别为x轴,y轴,z轴正方向建立空间直角坐标系,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c527864f0dad3bd9f4363d45a6a6e0.png)
______ ,若点P为线段AB的中点,则P到平面
距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47abf7a3691e5bb64716c4e50b43a86d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a754ad0537577221e7be168127d7cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c085dbb9d78aef7d81c3f4d6855f067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7373300e952e2b90c7a66b682f5969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30c527864f0dad3bd9f4363d45a6a6e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9539f8fb13345b449274b67bbda995db.png)
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5 . 若平面
的一个法向量为
,
,则直线
与平面
的关系是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f28ec4610a0a4e269a40e696094167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af3794021e589381e2d43e0df7255f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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解题方法
6 . 瑞士著名数学家欧拉在1765年提出定理:三角形的外心、重心、垂心位于同一直线上.这条直线被后人称为三角形的“欧拉线”.在平面直角坐标系中作
,
,点
,点
,过其“欧拉线”上一点
作圆
:
的两条切线,切点分别为
、
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505b6a2ffbe5eee08156c30c8e41dbd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98ef6b26186130f8d88c66d3b3c78fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6234d1a633d371fa271f08a6df365f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08227ca941898eb34941f446ca8b1de8.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/084cf5ffced059f5653ee2a1023518b7.png)
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2023-11-15更新
|
227次组卷
|
3卷引用:海南省海口市第一中学2023-2024学年高二上学期11月期中数学试题
名校
7 . 在圆上任取一点P,过点P作y轴的垂线PD,D为垂足,当点P在圆上运动时,线段PD的中点M的轨迹方程为
您最近一年使用:0次
2023-11-15更新
|
371次组卷
|
4卷引用:海南省海口市第一中学2023-2024学年高二上学期11月期中数学试题
海南省海口市第一中学2023-2024学年高二上学期11月期中数学试题四川省凉山州宁南中学2023-2024学年高二上学期期末模拟数学试题(一)(已下线)通关练15 椭圆11考点精练(2)(已下线)专题20 椭圆的标准方程5种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
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解题方法
8 . 已知椭圆C:
的左、右焦点分别为
,
,过点
且倾斜角为60°的直线l与C交于A,B两点.若
的面积是
面积的
倍,则C的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47444b5fbc4252516d54263062e47c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
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2023-11-15更新
|
462次组卷
|
2卷引用:海南省海口市第一中学2023-2024学年高二上学期11月期中数学试题
名校
9 . 平行线
与
间的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0f2ef0a60be68075ef22fc4159291c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b818e1793be8d9213e903e5224987a0.png)
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10 . 直线
与曲线
有两个公共点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5568579340b4a3daf3f01b6dbc4048a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f1328a2a95dbc2e31997414fc48157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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