1 . 已知函数
的图象关于点
中心对称,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90943f55ade0f0df3038e08cb9c2d371.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39567d4e6efd7dd3dc2e444d05f50835.png)
A.直线![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.函数![]() ![]() ![]() |
您最近一年使用:0次
2024-04-13更新
|
1085次组卷
|
3卷引用:湖南省长沙市雅礼中学2024届高三下学期数学月考试卷(八)
名校
解题方法
2 . 已知向量
,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e486a69c94a6442bb2131452fd88996f.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6f6d659afe524d48ee9ce847b4bc72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b50e1567607bda5e4b5ae26c94d31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e486a69c94a6442bb2131452fd88996f.png)
您最近一年使用:0次
名校
解题方法
3 . 若向量
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f4dcf415977dea53f52a85b6b82136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee59f6b52b8f58a5fb737c08d99b7b47.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
4 . 如图所示,
为
的
边上的高,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d724cd3d9b3b8af73a44a074c0e6a44d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bdfcf009619b9f8d6072adf07d81c7.png)
A.3 | B.4 | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 下列命题中正确的是( )
A.若平面向量![]() ![]() ![]() |
B.已知![]() ![]() ![]() |
C.若![]() ![]() |
D.已知点![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
6 . 设函数
,若对于任意实数
,函数
在区间
上至少有2个零点,至多有3个零点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545e70674ab9a9d9afa707bb32b921ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bccd6a6e85bdf500218a3e75b31f3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-11更新
|
931次组卷
|
2卷引用:湖南省长沙市第一中学2023-2024学年高一下学期开学自主检测数学试卷
2024·全国·模拟预测
名校
7 . 如图,已知正六边形
的边长为2,对称中心为
,以
为圆心作半径为1的圆,点
为圆
上任意一点,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/285250fe6d502398ca29b81dd6544d9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-11更新
|
583次组卷
|
4卷引用:湖南省长沙市雅礼中学2023-2024学年高二下学期5月检测数学试题
湖南省长沙市雅礼中学2023-2024学年高二下学期5月检测数学试题(已下线)2024年普通高等学校招生全国统一考试数学理科猜题卷(七)黑龙江省大庆市实验中学实验二部2023-2024学年高一下学期期中考试数学试卷(已下线)【高一模块一】难度7 小题强化限时晋级练 (较难1)
解题方法
8 . 已知向量
,
,若
与
垂直,则
=__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e745905cf02d7165c2a2dfddcee05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f99645c5aa5800b219c4d9f0baebcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2b0627ff70b02aa16b007dc41794dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-04-10更新
|
1520次组卷
|
3卷引用:湖南师范大学附属中学(思沁校区)2023-2024学年高三下学期3月月考数学试题
名校
9 . 已知在
中,N是边AB的中点,且
,设AM与CN交于点P.记
.
表示向量
;
(2)若
,且
,求
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ee071eeac50f0aad26a5139fdf2a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cc47326e366b5b07350d461bf75474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b901cc29a51575d40f331c7b9b1e696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b2f1f3c3a1e6f78e384193b1d07962.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d98c4bb451306e711fd5e2fed99487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64ecaa4ed6aecefc9e26932e528596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67dfcdf2fcb1c69e286634cb9405781e.png)
您最近一年使用:0次
2024-04-10更新
|
985次组卷
|
3卷引用:湖南省常德市汉寿县第一中学2023-2024学年高一下学期3月月考数学试题
名校
解题方法
10 . 已知在
中,
对应边分别为
.其周长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac95e741a0cda29e2e907e4f114d2e4.png)
且
,
为
上一点,
,
的面积为
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac95e741a0cda29e2e907e4f114d2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d440aade2a932f14f79b893f1f9599c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次