关于
的二次函数
的图象与
轴有交点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f80b349d738a0f57ba18e63e26e48e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() ![]() | C.![]() | D.![]() ![]() |
更新时间:2024-03-15 05:50:05
|
【知识点】 抛物线与x轴的交点问题解读
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【推荐1】二次函数
的图象与x轴交于点
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb652143b43cc9439a347b2b1dc5cf6.png)
,关于x的方程
有两个非零实数根
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A.![]() | B.![]() | C.![]() | D.![]() |
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单选题
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适中
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名校
【推荐2】二次函数
的图象如图所示,下列说法中错误的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/30/3ff1c51b-9c02-4851-bc87-30814a0c05cd.png?resizew=154)
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您最近一年使用:0次