抛物线
上有三个点
、
、
,则
、
、
的大小关系正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd4b9789b2b759252fe9d6c578201d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c41e921734694f53b250b16b8926249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b6c51d0b1a90c2121b0dc8e20ad30af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f56dbd8f8139a9959e20e8631829ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-11-02 12:10:46
|
【知识点】 y=ax²+bx+c的图象与性质解读
相似题推荐
单选题
|
较易
(0.85)
【推荐1】已知二次函数
,自变量
与函数
的对应值如下表:
下列说法中,正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e59da5115d0dafea24822245f92c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
0 | ||||||||
4 | 0 | 0 | 4 |
A.抛物线开口向下 | B.当![]() ![]() ![]() |
C.二次函数的最小值为![]() | D.抛物线的对称轴是直线![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】已知抛物线
为常数,
与
轴交于
,
两点(点
在点
的左侧),下列关于该抛物线的描述中,说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a732afaee8f3e6f7eb78f4929b1bd08e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf784be71aaea4e563bb05c60fe77e96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a82c32314f4dc360ad7a396ce0eb40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e48bfd9697da3855588c783d6eeafe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0914b68f106a912420705b2f3928ca42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da9dcf6c319174c9ea2b1ceaed1649a.png)
A.该抛物线的开口向下 |
B.![]() |
C.点![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次