1 . 已知两点
,
,直线
与线段
有公共点,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee9c730266ecf448c14608e24d37b986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49a31f8e8dba418bd5d886998ef8d17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1aa477720664217e0f31fe9d4cea9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
2 . 如图,
且
,
,
且
,
且
,
平面
,
,M是AB的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/5adf0929-b1c9-462c-9fec-4e576de708e9.png?resizew=161)
(1)若
求证:
平面DMF;
(2)求直线EB与平面DMF所成角的正弦值;
(3)若在DG上存在点P,使得点P到平面DMF的距离为
,求DP的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aabb9d68cfb70f66bb7a52c2e961dd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc143c7fd7c471ca91b6ccc22438fdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6121c4ae264961f49bc9008b0e9ca9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee573ad62dc536a05dadf5008f1afb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755d575f0a87f3345e232b66d5956070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cf187bc2ede965870b90757b495f53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b091ee5a8b32424b2b836dde7860c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/5adf0929-b1c9-462c-9fec-4e576de708e9.png?resizew=161)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1029496e181d2aba81bae248d9e05dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f214481e6b23307a37940f6dd0313d30.png)
(2)求直线EB与平面DMF所成角的正弦值;
(3)若在DG上存在点P,使得点P到平面DMF的距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc269b2ccd1cc42c7036eaf1ecc519e2.png)
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3 . 若直线
是圆
的一条对称轴, 则实数a的值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0985b973395bcd371cd1e26d3fcd1c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b798d04eb5553b1613068234fa14b514.png)
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解题方法
4 . 已知两条平行直线
则l₁与l₂间的距离为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d5d757169888b35c0a47b20621054e.png)
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解题方法
5 . 已知
的三个顶点
,
,
.
(1)求边
所在直线的方程;
(2)求边
上的高所在直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48218f26d084dfb807b5d4eed37c7ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9877e416763059f3a1585d9144ca23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338b0e1dde72defd8069eb7b81c7c9b1.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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6 . 圆
的圆心和半径分别为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78e6171e12dde98cdae8fa7cb83eb5c.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-11-14更新
|
950次组卷
|
5卷引用:天津市武清区2023-2024学年高二上学期11月期中数学试题
天津市武清区2023-2024学年高二上学期11月期中数学试题广东省佛山市南海区南海中学2023-2024学年高二上学期第二次阶段考试数学试题广东省惠州市仲恺高新区华实高级中学2023-2024学年高二上学期12月月考数学试题四川省成都市武侯高级中学2023-2024学年高二上学期12月月考数学试题(已下线)第二章 直线和圆的方程【单元提升卷】-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
7 . 已知直线
与
交于A,B两点,写出满足
的面积为
的实数m的一个值____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28ec3cfa99099b6b27f9d45f7867710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7695171cea634995ea88360a57133314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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8 . 已知点
,
,O为坐标原点,向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e5010f5b983c9c0b30bb4ebdc9fff.png)
(1)求向量
的单位向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc82ca663a64bb807b74e1eaa59e842.png)
(2)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42af2f16b30003e2cd42b42d21732c4.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97130ba1c0ba45f6d15e66aa1646ee2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b37762afb7ef73aea60210818911287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2e5010f5b983c9c0b30bb4ebdc9fff.png)
(1)求向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecc82ca663a64bb807b74e1eaa59e842.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d42af2f16b30003e2cd42b42d21732c4.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e0f64271754d751c2de87abbdfd803.png)
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9 . 经过
两点的直线的方向向量为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569b1205bd82189aa02686087f34429b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6933978223d24fae0e083568d5fa0c38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
2023-11-11更新
|
363次组卷
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5卷引用:天津市武清区2023-2024学年高二上学期11月期中数学试题
名校
10 . 如图,在平行六面体
中,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac72026cf2f4c57e4543f345c351dde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b2ce97e1fd47e7a312391a6fd959ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/6/943688a8-bc8f-44b8-b964-af0083743460.png?resizew=163)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-16更新
|
359次组卷
|
7卷引用:天津市武清区2023-2024学年高二上学期11月期中数学试题