名校
1 . 向量
,
满足
,
,且
,不等式
恒成立.函数
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/329d4084d39747fd31ba0b94977bb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a4ea73b54e897c24a8ba29f6ef95bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea7936ad4048b3fc87a81d5469ec33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663f69fa39b32a6e324dce0a18c1a8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab7091a3256715f83f9ce74e5b7a151.png)
A.![]() | B.1 | C.![]() | D.![]() |
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7日内更新
|
493次组卷
|
2卷引用:重庆市乌江新高考协作体2023-2024学年高二下学期第二阶段性学业质量联合调研抽测(5月)数学试题
2 . 如图,函数
的图像与
轴的其中两个交点分别为A,B,与y轴交于点C,D为线段
的中点,
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c832146482a767b356ce948868ef64cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e366468f6a8d6584e0347f965619b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2caab18144753e0f84869fcfb1fc8c48.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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名校
解题方法
3 . 已知圆
:
,过点
的直线
与
轴交于点
,与圆
交于
,
两点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bef4132be669f94f3703898c75e2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cbbcddb3801bcd6ff894fea10a0773.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-22更新
|
569次组卷
|
2卷引用:重庆市乌江新高考协作体2024届高考模拟监测(二)数学试题
名校
解题方法
4 . 已知向量
满足:
为单位向量,且
与
相互垂直,又对任意
不等式
恒成立,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23c5d7ba714351d679bbbb287af5aaec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83c5803cc8c05849028a57c4bd4ee72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d89edb09a343c23e415b3e7d8fd837b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac6ef8c5afe13c4a6a1eb67086f11d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0719bceff0114835c72cb6e25831d04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
A.4 | B.5 | C.6 | D.7 |
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名校
解题方法
5 . 已知
与
都是非零有理数,则在
,
,
中,一定是有理数的有( )个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ae3c7568ada9b818bb2a7a902f8bc62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d328ffcf1b593e1fe064b1a54e7b5931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de7d5ef3a3d9a03be91135fc426d57cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43660b1543b3a2b46185f7629d28a963.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
2024-04-15更新
|
366次组卷
|
3卷引用:重庆市乌江新高考协作体2024届高考模拟监测(一)数学试题
名校
解题方法
6 . 已知向量
、
垂直,且
,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fc9656d8286c4d6fa309d6ae347c89e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb160060958a85b9a86906f81323caef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2187ee1ea3b7e47a6283314322e5decf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743d3c07973779df6b9ffe67e0982d3a.png)
A.34 | B.26 | C.24 | D.14 |
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名校
解题方法
7 . 已知向量
满足:
为单位向量,且
和
相互垂直,又对任意
不等式
恒成立,若
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7380798807546d68fb7961267237f117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83c5803cc8c05849028a57c4bd4ee72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a06c8eae3652486cf9e416ce3a8ffc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd9736828195f010db4e1f0a9dea7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7f85c530b9913a1b34e12e3bfcf536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82884fa9007d64395d2f21da756f0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83634e314df24df73ae37d25a44d20e3.png)
A.1 | B.![]() | C.![]() | D.![]() |
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2024-03-21更新
|
1306次组卷
|
6卷引用:重庆市巴蜀中学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
8 . 设
,
,
,
,若满足条件的
与
存在且唯一,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f07029c97c324d32f258f18a96654a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd61d59ee2dc6cc43b25b7ee39ca58d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec9920ed72728ab3fc89c2e3e68f136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8640aafe54018ba013295b68e2946a7a.png)
A.![]() | B.1 | C.2 | D.4 |
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名校
解题方法
9 . 在
中,
,
是
的外心,
为
的中点,
,
是直线
上异于
、
的任意一点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d75f67ac92faf413da3cf4aeaab9e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc2357daa427e616c23ed9459e30afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0be8265052a358bed3d1bab5a1df8dca.png)
A.3 | B.6 | C.7 | D.9 |
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2024-03-08更新
|
2680次组卷
|
8卷引用:重庆市第八中学校2023-2024学年高一下学期4月阶段练习数学试题
解题方法
10 . 已知函数
,记
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b514a8fde9c3b7efa079d8832ceba94b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d95036ba48d3da3e4cc28e97d19a99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57cb1243fbfdcec06b2dbe1904954cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600eff35c429e012dc6f6732bfc79e3c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-18更新
|
533次组卷
|
3卷引用:重庆市缙云教育联盟2024届高三下学期第二次诊断性检测数学试题
重庆市缙云教育联盟2024届高三下学期第二次诊断性检测数学试题江苏省南通市2023-2024学年高一上学期期末质量监测数学试题(已下线)专题03y=Asin(ωx+φ)的综合性质期末8种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)