如图,二次函数
的图象与
轴交于
两点,与
轴交于点
,则下列说法错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/ee6a03f8-c122-4b15-9af4-ab6b30d41e41.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d794141572c8b1e70957754f32b9eb.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/9/ee6a03f8-c122-4b15-9af4-ab6b30d41e41.png?resizew=144)
A.![]() | B.![]() |
C.当![]() ![]() | D.当![]() ![]() ![]() |
更新时间:2019-08-11 12:03:37
|
【知识点】 y=ax²+bx+c的图象与性质解读
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【推荐1】若抛物线y=ax2+2x﹣10的对称轴是直线x=﹣2,则a的值为( )
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【推荐2】如图,在平面直角坐标系中,点A在第二象限,以A为顶点的抛物线经过原点,与x轴负半轴交于点B,对称轴为直线
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![](https://img.xkw.com/dksih/QBM/2023/2/21/3179749936128000/3186467174621184/STEM/e0c806bc15534129a3e83e1426ad5c2e.png?resizew=163)
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![](https://img.xkw.com/dksih/QBM/2023/2/21/3179749936128000/3186467174621184/STEM/e0c806bc15534129a3e83e1426ad5c2e.png?resizew=163)
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