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1 . 在
中,
是边AB上一定点,满足
,且对于边AB上任一点P,恒有
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae09825e6daf2f0d80a67ee1b4c4b4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1cdd39367b92b45d53b54390fa8d214.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.等腰三角形 | B.钝角三角形 |
C.直角三角形 | D.锐角三角形 |
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2024-05-04更新
|
307次组卷
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3卷引用:广东省深圳市深圳大学附属中学、龙城高级中学第二次段考2023-2024学年高一下学期5月月考数学试题
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解题方法
2 . 下列函数中,既是偶函数又在区间
上单调递增的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-05-04更新
|
1002次组卷
|
3卷引用:广东省深圳市南头中学2023-2024学年高一下学期期中考试数学试卷
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3 . 如图,在
中,
分别为
的中点,
为
上一点,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8d4fc99c32d6503205f48b2c07ab91.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673bf74721ce289eed40fc505697fe38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cca04b2a2b61d62a809776670a60c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7720a24ccafd483cffe43b95be4ee20d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8d4fc99c32d6503205f48b2c07ab91.png)
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解题方法
4 . 设点
是
所在平面内一点,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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5 . 已知
,
,
与
的夹角是
.
(1)
;
(2)计算
;
(3)当k为何值时,
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/145a7e8f352fab613b773dc6639b508b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/000a2b32d55c57be9dd8ff6d05a577fb.png)
![](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/a6c0927afc571a7c966c98192040979e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e58f65978001ebd730540d93c058ee7.png)
(2)计算
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb74499b8965b3f6c9acfbbb168df438.png)
(3)当k为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698333f960fad71c4d7e6fa7f4805e89.png)
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6 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e98cfc8403d6b2feb0a9d5157cd33.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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7 . 已知函数
,则下列说法中,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a08f87d3d866d1d3e7850a3eb313649.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() ![]() |
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8 . 已知
为第一象限角,若函数
的最大值是2,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345669a1b6a90a2169b26e80b74ffcfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a35d54a852b8f4105cbfe63e2266f37.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 已知函数
是奇函数,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e1d50966ec6b5a5cc928dcc6a35bfda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b657cfa91b6394e4b00fa385a2c0149.png)
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2024-05-02更新
|
153次组卷
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2卷引用:广东省东莞市东华高级中学2023-2024学年高一下学期期中教学质量检查(二)数学试题
10 . 已知正方形
的边长为2,则
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce6b835165244ae3d586d73a54ad7e6.png)
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