二次函数
的图像与直线
的公共点个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec1ef6b0c3a50e6b44f0dab7ad3c7c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
A.0 | B.1 | C.2 | D.1或2 |
更新时间:2022-12-28 21:46:15
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】若质数
满足
,则数据
的中位数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ebae11fef2db7379f94335b7e53c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db4bed4648348b9cadbcd6b78a605217.png)
A.4 | B.7 | C.4或7 | D.4.5或6.5 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】已知
是方程
的两个根,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842806f191cccb43fa91b0cbbe0bab5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf3f9e680e6357562f743e880f6c71e.png)
A.2023 | B.2022 | C.2014 | D.2013 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】已知点
,
是二次函数
图象上的两个不同的点,则当
时,其函数值
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d4a44232bf90118b61ce2434d4c99ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6b6331662bc568c635519f5143778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee2c3f65872d13c7e73b0e5f91042bca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bed1a02239821a616bc173181e7ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
A.2017 | B.2018 | C.2019 | D.2020 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,已知点A,B分别在反比例函数
,
的图象上,且OA⊥OB,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/24/a2ead208-5f44-41cf-b45c-f74426700795.png?resizew=117)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeed0665fc1a8e99ceb7911fe137390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08898720850f21f75a40b5da75f654c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/353902f5326218049bf4835d9a9b7ba3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/24/a2ead208-5f44-41cf-b45c-f74426700795.png?resizew=117)
A.4 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次