名校
解题方法
1 . 已知幂函数
的图像关于
轴对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d1158f675e7d7b4087491a1e179662d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
您最近一年使用:0次
2024-03-08更新
|
241次组卷
|
2卷引用:辽宁省朝阳市建平县实验中学2023-2024学年高一上学期期末考试数学试题
名校
2 . 若正数
满足
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fe5f5f3a4941b3bfdd981375fe30a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.6 | B.9 | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-03更新
|
291次组卷
|
3卷引用:辽宁省朝阳市建平县实验中学2023-2024学年高一上学期期末考试数学试题
解题方法
3 . 已知双曲线
,则双曲线( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a218602e8e3a52f74f760059aa7014.png)
A.焦点坐标为![]() ![]() |
B.渐近线方程为![]() ![]() |
C.离心率为![]() |
D.与直线![]() |
您最近一年使用:0次
4 . 如图,在四棱锥
中,底面
是平行四边形,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b54509386a3872c629f0ed9e92d1bc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/881491c15de67028d540787b2a252063.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/a779dce3-9950-41f2-a5c7-6b92e25a7be4.png?resizew=178)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-03更新
|
285次组卷
|
2卷引用:辽宁省朝阳市建平县2023-2024学年高二上学期1月期末数学试题
解题方法
5 . 在正方体
中,
是
的中点,则异面直线
与
所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 如图,圆柱形容器内部盛有高度为8cm的水,若放入三个相同的球(球的半径为圆柱的底面半径相同)后,水恰好淹没最上面的球(如图所示),则每个球的表面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/2/b879e724-355a-418f-85b3-7816dd828b95.png?resizew=78)
您最近一年使用:0次
7 . 如图所示,用一束与平面
成
角的平行光线照射球O,在平面
上形成的投影为椭圆C及其内部,则椭圆C的离心率为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/adb2ad80-f0b5-4d16-b09f-1f09c1047278.png?resizew=169)
您最近一年使用:0次
解题方法
8 . 下列函数为偶函数的是( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
9 . 如图,在长方形
中,
为
中点,
.以
为折痕将四边形
折起,使
,
分别达到
,
,当异面直线
,
成角为
时,异面直线
,
成角余弦值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/2ae8cd16-0fa0-46f5-b9d0-8d651558fae1.png?resizew=221)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b929269c53a44907dba8ee298a0a522.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d70676406f26d339465fe3473c0c05.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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f1158eaa2e338f564eb18de5bef1d25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926d1308d5db144e31b4d0211c63ef52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/2ae8cd16-0fa0-46f5-b9d0-8d651558fae1.png?resizew=221)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知双曲线
的左焦点为F,过F作双曲线C的一条渐近线的垂线,垂足为A,并与双曲线C交于点B,且有
,则双曲线C的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0dddff208cedff93a55f1a2da24c4c.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-29更新
|
469次组卷
|
2卷引用:辽宁省大连市2023-2024学年高二上学期期末数学试题