名校
解题方法
1 . 如图,在长方体
,点
在
上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/3b6829e0-ee8e-406d-8718-00002be4050f.png?resizew=166)
(1)求
;
(2)求直线
与
所成角的余弦值;
(3)求
到
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2283fd441781107fe1a6ed8b1fb07bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/16/3b6829e0-ee8e-406d-8718-00002be4050f.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70d067d9f0d3aefd53fbd95d4b8b7ee.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
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解题方法
2 . 已知圆
上有两个点
,且
为直径
(1)求圆
的方程;
(2)若直线
与圆
交于
,求
长度;
(3)已知
,求过点
且与圆
相切的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2db6bfed5aae8c885278abb96e8a2bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aacc0092b7cf6df769b0ac128e81c582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6114947179bed8c2c86ac078e2f8497f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d086caf2e13e598f5e1534ecbaa6505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2022-12-15更新
|
465次组卷
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2卷引用:北京市怀柔区第一中学2022-2023学年高二上学期12月月考数学试题
3 . 如图,在平行四边形ABCD中,,
,将平行四边形ABCD沿对角线BD折成三棱锥
,使平面
平面BCD,在下列结论中:
①直线CD平面;
②平面平面BCD;
③BC与成角的大小为45°;
④棱上存在一点到顶点
、B、C、D的距离相等;
⑤点B到平面的距离为
;
所有正确结论的编号是
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2023-05-02更新
|
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8卷引用:北京市怀柔区第一中学2022-2023学年高二上学期12月月考数学试题
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4 . 已知曲线
,则下列说法正确的有几个( )
(1)
关于原点对称;
(2)
只有两条对称轴;
(3)曲线
上点到原点最大距离是1;
(4)曲线
所围成图形的总面积小于
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7eb7f1a2d1d42716098275303e7ec35.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(4)曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
A.1 | B.2 | C.3 | D.4 |
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2022-11-26更新
|
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2卷引用:北京市怀柔区第一中学2022-2023学年高二上学期12月月考数学试题
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5 . 已知点
,直线
的斜率为2,则a的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b8463c8a53211d02117ed4d9f54c4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.7 | C.![]() | D.5 |
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2022-11-12更新
|
313次组卷
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2卷引用:北京市怀柔区第一中学2022-2023学年高二上学期12月月考数学试题
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解题方法
6 . 已知圆
经过点
,
,且圆心
在直线
上.
(1)求圆
的标准方程;
(2)设点
,动点
在圆
上,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109a293cef44f23e86e22c1a4cfcbbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f68f688a0af020ed2aa105a1bcdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b818e1793be8d9213e903e5224987a0.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2b1410f44205658cea90e9ce85101c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
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7 . 已知直线
的斜率分别是
,如图所示,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/0d09c95c-037a-4d4c-8968-b525bd037ed3.png?resizew=206)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8801df26d9cb76bc289b64a3a26902e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1726d463bd741c904abd9b6589056.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/0d09c95c-037a-4d4c-8968-b525bd037ed3.png?resizew=206)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2022-11-07更新
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2卷引用:北京市怀柔区第一中学2022-2023学年高二上学期数学学科期中检测试题
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解题方法
8 . 如图,在棱长为
的正方体
中,
为
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/a39f5529-3cce-43fa-9293-c25c6abd4cdf.png?resizew=184)
(1)求异面直线
与
所成的角的余弦值;
(2)求直线
与平面
所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/a39f5529-3cce-43fa-9293-c25c6abd4cdf.png?resizew=184)
(1)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2331bccb6ebf5b9fd639df994f575a9.png)
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9 . 在平面直角坐标系中,已知点
,
,
,
,
为原点,以
为直径作圆
.
(1)求圆
的方程;
(2)设
是圆
上的动点,求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc878a5fd7b508cf817cbb65d3940547.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7291b3d921f595f28960abcdce6dfbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c8c934fb978c8840bed9680408977c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fb572a6f07dcade5332bea766020f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c205a2a897f805988edc9a80e50ad49.png)
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10 . 圆心为
,且过点
的圆的方程是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
您最近一年使用:0次
2022-11-07更新
|
297次组卷
|
3卷引用:北京市怀柔区第一中学2022-2023学年高二上学期数学学科期中检测试题