对于抛物线
,下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e31f0d47704109dec9f1ca0d31802dc.png)
A.对称轴是直线![]() | B.函数的最小值是3 |
C.开口向上,顶点坐标![]() | D.当![]() |
更新时间:2024-01-21 22:11:39
|
【知识点】 y=a(x-h)²+k的图象和性质解读
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单选题
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较易
(0.85)
【推荐1】若二次函数
的图象过
、
、
,则
,
,
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4004264591ff0ba3635d41b09e3a43b8.png)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
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【推荐2】抛物线
的顶点坐标是( )
![](https://img.xkw.com/dksih/QBM/2015/4/22/1573832969936896/1573832975966208/STEM/3f44c5d2e604474ea20e6a9818913f86.png)
A.(2,![]() | B.(![]() | C.(2,3) | D.(![]() ![]() |
您最近一年使用:0次