已知
,
,
是抛物线
上的点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccbc02110922dc91aab0d325b62bb57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179f5926c0289862d9b2d932bcb7154e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3efab12e1060e6cd4e4b28cc3802bae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4486281dccf69eddc5fd72a43fbbfd9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-12-13 21:57:20
|
【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】下列
与
的函数中,
随
的增大而增大的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,抛物线
的对称轴为直线
,与
轴的一个交点坐标为
,其部分图象如图所示,其中结论不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f5310e09eeb83f8e852e423c28fa15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4ec9a0ba8be5a3bf2654ec28f335140.png)
A.![]() |
B.方程![]() ![]() ![]() |
C.![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次