1 . 一学生在求解以下问题“已知函数
的图象关于直线
对称,关于
中心对称,且
,求
的值”时,思路如下:令
(
,
),由对称轴和对称中心可求得
,再由对称轴求
,对称中心求
,根据以上信息可得( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c6155a8a04ffd4c305add626074fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef60e5d4f3b49a3c6e2507e8998439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e918c9e2cd089a6d62bc9234c8d95ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42f9555de3ac5de1ea69adc703b48044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb61a448347a3f8c1f126d1c00730cc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2ffd26ee71de49bd8c5deba8f623159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 在
中,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a1b57e1fbb6e5b8bc714778a8d2e78.png)
A.当![]() ![]() |
B.若![]() ![]() |
C.![]() |
D.当![]() ![]() ![]() ![]() ![]() |
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解题方法
3 . 如图,已知梯形
中,
,
,点
,
分别为线段
,
上的动点,
,点
为线段
中点,则以下说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc9cd61f54d45b905a295b35cdbe9d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7031367b886986db7850cdc47e2bec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.若![]() ![]() | B.![]() |
C.![]() | D.若![]() ![]() ![]() |
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4 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39d4e199031b74357e9fbd723916fbc.png)
A.![]() |
B.![]() ![]() |
C.方程![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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解题方法
5 . 下列说法正确的有( )
A.若角![]() ![]() ![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若扇形的周长为![]() ![]() ![]() |
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6 . 已知向量
的夹角
,且 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d26a0c841ff72e442f1e661c18edf.png)
下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10814bc3db929e79874befe96cf4e3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029d26a0c841ff72e442f1e661c18edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
A.若![]() ![]() ![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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7 . 下列说法正确的是( )
A.在四边形![]() ![]() ![]() |
B.若![]() ![]() |
C.已知O为![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() ![]() |
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解题方法
8 . 已知两个非零的平面向量
与
,定义新运算
,
,则下列说法正确的是( )
![](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/bca9106803b48470744f31d106dfa875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0947cecefbc8ecec287729c801e30415.png)
A.![]() |
B.对于任意与![]() ![]() ![]() |
C.对于任意的非零实数![]() ![]() |
D.若![]() ![]() ![]() |
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河南省驻马店市部分学校2023-2024学年高一下学期5月青桐鸣联考数学试题(北师大版)(已下线)第6题 向量新定义题(高一期末每日一题)河南省商丘市青桐鸣2023-2024学年高一下学期5月联考数学试题(人教版)
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9 . 已知函数
,其部分图象如图所示,且直线
与曲线
所围成的封闭图形的面积为
,下列叙述正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27cd15ee656d39a864fbecf781f23c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc06945468c5aaa0766fa7d6db32e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f29c3f63b8d190bae8abeb2036f4a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
A.![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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解题方法
10 . 已知函数
,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f66bd602858b6b31b0888a69740099.png)
A.若![]() ![]() ![]() |
B.若![]() ![]() ![]() |
C.若函数![]() ![]() ![]() |
D.若对任意实数![]() ![]() ![]() ![]() |
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