1 . 在平行四边形
中,
,且
,则四边形
的面积为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7f33064bef5f9773ebb953a00a35d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf68831c4a80d0ef3b08ffc98772f9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.4 | B.![]() | C.8 | D.![]() |
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2 . 若复数
的实部为4,则点
的轨迹是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296ff2a951b1289afab987fadb46f43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
A.短轴长为4的椭圆 | B.实轴长为4的双曲线 |
C.长轴长为4的椭圆 | D.虚轴长为4的双曲线 |
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2024-04-24更新
|
237次组卷
|
3卷引用:四川省雅安市2024届高三下学期4月联考数学(理)试题
3 . 若圆
与圆
外切,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f25834d8218c53cb975c2a2fe7442a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be941b300ee256c6c7bdbfebea93814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258e40e3883271c3580c1d3c805dcac6.png)
A.2 | B.3 | C.4 | D.5 |
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2024-04-24更新
|
190次组卷
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2卷引用:四川省雅安市2024届高三下学期4月联考数学(理)试题
名校
4 . 已知函数
,m为
的最小值.
(1)求m的植,
(2)已知实数n,p,q满足
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63502808190adaeb97a37a0f4eee1d29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求m的植,
(2)已知实数n,p,q满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b2400d72b1e3145cb21ba719d8a968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a3ac83c571110d41a396d12d8eea1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6526e19f5af4425fa017e3d38c42116d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235953c833fc96e4ce88e17051aef93c.png)
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2024-04-24更新
|
189次组卷
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2卷引用:四川省绵阳市三台中学校2024届高三下学期三诊模拟考试(第三学月月考)文科数学试题
名校
解题方法
5 . 三棱锥
各顶点均在半径为
的球
的表面上,
,二面角
的大小为
,则对以下两个命题,判断正确的是( )
①三棱锥
的体积为
;②点
形成的轨迹长度为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0e58159e9b66c4a93372cd77ab9758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b796bbaeb8450404c2d146283562006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/defbf09ba4c3d4770a7dacd04426e8fa.png)
①三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4278c0911e7df78965e78cff69cac5f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557a94abe27623e48ee2c729a8352b8c.png)
A.①②都是真命题 |
B.①是真命题,②是假命题 |
C.①是假命题,②是真命题 |
D.①②都是假命题 |
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2024-04-23更新
|
417次组卷
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2卷引用:四川省成都市第七中学2024届高三下学期5月考试理科数学试卷
名校
6 . 如图所示,已知
满足
,
为
所在平面内一点.定义点集
.若存在点
,使得对任意
,满足
恒成立,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd7d62e4e7ca6c1fd339b93802290a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dae0f962cd9495586b18b4b3e6ecaf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29c9c38e00576ac05e54a60f20a1833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d54f4f7b089e07d1271545c72cfb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54e5d2cafcddbfc773665668a32fa3f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72adb4fd5bd24d7445bdd2a6c669c5f5.png)
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855次组卷
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5卷引用:四川省成都市第七中学2024届高三下学期5月考试理科数学试卷
四川省成都市第七中学2024届高三下学期5月考试理科数学试卷上海市徐汇区2024届高三学习能力诊断数学试卷(已下线)压轴题06向量、复数压轴题16题型汇总-1(已下线)压轴题07三角函数与正余弦定理压轴题9题型汇总-1(已下线)【练】 专题一 平面向量线性运算的最值问题(压轴大全)
解题方法
7 . 若实数x,y满足
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60786aa5271145f5613e1193e436ba17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1995404eb114809bc18fbdb4f1388b2.png)
A.0 | B.![]() | C.-1 | D.![]() |
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8 . 已知集合
,则A的真子集数量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5111876fd09b10783921418484df445c.png)
A.8 | B.7 | C.32 | D.31 |
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解题方法
9 . 下列论述错误的是( )
A.若随机事件A,B满足:![]() ![]() ![]() |
B.基于小概率值![]() ![]() ![]() ![]() ![]() ![]() |
C.若随机变量![]() ![]() ![]() ![]() |
D.若y关于x的经验回归方程为![]() ![]() ![]() |
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10 . 抛物线
:
过点
,则
的准线方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf210c8c9e83e70f2d3ede1e18a5f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad20e2bc6576fc461419f8f138d26e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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