1 . 已知函数
的图象如图所示,则关于
的不等式
的解集为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/54797510-a29c-4c11-a64f-41e5663d5859.png?resizew=132)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d7ed6f4b0e08cd887d2fdc2a5e37e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35436d4457e695ead9f46094aecbabc5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/54797510-a29c-4c11-a64f-41e5663d5859.png?resizew=132)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-11-10更新
|
394次组卷
|
7卷引用:吉林省部分名校2022-2023学年高一上学期期中考试数学试题
2 . 已知抛物线
上部分点的横坐标
纵坐标
的对应值如下表:
①抛物线
的开口向下;
②抛物线
的对称轴为直线
;
③方程
的根为
;
④当
时,
的取值范围是
或
.
以上结论中,其中正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
| … |
|
|
| … | ||
| … |
|
|
|
|
| … |
①抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
②抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
③方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fa32c1e926f40a0722d106563777ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a52f382d6f0395e11f1cfae9cd95b4.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c0aa2ef928b6e3341d0a0dc6d8055b9.png)
以上结论中,其中正确的个数为( )
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 下列关于二次函数
的说法,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f348d4ec238e1b702fc43542ad1d1a.png)
A.顶点坐标是![]() | B.当![]() ![]() ![]() |
C.对称轴是直线![]() | D.当![]() ![]() |
您最近一年使用:0次
解题方法
4 . 如图,已知二次函数
的图像经过点
,
,与x轴的另一个交点为C.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/58717c6d-6126-4f32-bab0-178a91df970d.png?resizew=241)
(1)求该图像的解析式;
(2)求线段AC长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66b8c639c851e0044ee22020324c5570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f033b9f8a5d29d079d800fd0bc0ab2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/58717c6d-6126-4f32-bab0-178a91df970d.png?resizew=241)
(1)求该图像的解析式;
(2)求线段AC长
您最近一年使用:0次
5 . 已知二次函数
的图像如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/5e24b407-3004-4798-8511-ff8eedd19230.png?resizew=111)
(1)求出它的顶点坐标
;
(2)它的图像与
轴交于
两点(点
在点
的左侧),顶点为
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659343935d0cd6807909bd304750c36b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/10/5e24b407-3004-4798-8511-ff8eedd19230.png?resizew=111)
(1)求出它的顶点坐标
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)它的图像与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解题方法
6 . 在同一平面直角坐标系中,函数
与
的图像不可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53be61cd85ec86aabd164cae0265246b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b447ac3d1a965572c31b6e4c18d4b8.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2022-10-07更新
|
235次组卷
|
2卷引用:吉林省白城市通榆县毓才高级中学2022-2023学年高一上学期第一次月考数学试题
解题方法
7 . 若函数
的定义域为
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aef94406f6d21df43fb7f7a2b152a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
8 . 已知函数
的图像如图所示,则函数
与
在同一坐标系中的图像是( )
![](https://img.xkw.com/dksih/QBM/2017/12/21/1843208449925120/1843866008182784/STEM/de7b0cc5af50472385bbd289ea0f92fa.png?resizew=247)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc670cb1a89da60c17b648b490a537c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b897a1a01095ecf9b51a435f4bad2225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0152509f83adcdfc5f5d4b27e4185b05.png)
![](https://img.xkw.com/dksih/QBM/2017/12/21/1843208449925120/1843866008182784/STEM/de7b0cc5af50472385bbd289ea0f92fa.png?resizew=247)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2017-12-22更新
|
2196次组卷
|
4卷引用:吉林省长春市农安县2021-2022学年高一上学期期末考试数学试题