23-24高二下·江苏·期末
解题方法
1 . 已知随机变量X的分布列为则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981a1cde2aefb846d30f461a39a1d062.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/981a1cde2aefb846d30f461a39a1d062.png)
X | 0 | 10 | 100 |
P | 0.81 | ![]() | 0.09 |
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2 . 圆上有5个点,过每3个点画一个圆内接三角形,则一共可以画出______ 个圆内接三角形;请编写一个排列数的问题,其答案为
,这个问题可以是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf27fcb6f5bd1bb02754526649b3bce2.png)
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3 . 自由落体运动中,物体下落的距离
(单位:米)与时间
(单位:秒)近似满足函数关系
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68220cd392b4587669ac2367a54eec33.png)
______ ,其实际意义为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90fa7bb0718e360e66e91a78f10e9b4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68220cd392b4587669ac2367a54eec33.png)
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4 . 已知函数
图像的相邻两条对称轴之间的距离为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
______ ,
在
上的值域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3295753865cd125896be1e9e71674a2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15615de1a6df206dbd081251f676578e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7a27c325208b78078b1058321e1660.png)
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解题方法
5 . 在等差数列
中,已知
,
与
的等差中项为
,等比中项为
,则通项公式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
________ ;前
项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/065be21c20118f713d288f3a84ad114f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f65fc200f10b97588a0c9896277c9c64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3f7fda69e2b32b9ced2239f915fa59b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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解题方法
6 . 已知函数
是偶函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ ,函数
的单调递增区间为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ad3cd09715e2bd73d6d1f828dfaa6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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7 . 已知复数
在复平面内对应的点分别为
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ ;若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5274f9384f8a7dd28ecf13f9ffbc87b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c82a10b4f0c9323d726804c89dd9548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32458db21db3e131308b31f48353fbb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2945cbc4ff0cb87a163b660d7b8d07fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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8 . 已知随机变量
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6cd8f25f8683cbaf235f8275b0e87a1.png)
__________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62dd66ffbcad36a5451cd1c61b44b760.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c646e0cbc38ccf348554456d4792e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6cd8f25f8683cbaf235f8275b0e87a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62dd66ffbcad36a5451cd1c61b44b760.png)
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名校
9 . 在边长为2的正方体
中,E,F,G是
的中点,那么过点E,F,G的截面图形为__________ (在“三角形、四边形、五边形、六边形”中选择一个);截面图形的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cf8790068c54d8123cd2dac26506b6.png)
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10 . 设随机变量
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbae883ac71d106ea17f6c9de1092a7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631429c4c924638d9f6688ecda1094fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72e21fb676122148ea985159a007358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbae883ac71d106ea17f6c9de1092a7.png)
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2024-06-11更新
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420次组卷
|
4卷引用:内蒙古名校联盟2023-2024学年高二下学期教学质量检测数学试题