已知二次函数
,当
时最大值为
,则
的值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78824ac4e061faee386d28f686008ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32dafa09346e8a6af1e994b8f2d6212b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2024-02-27 08:49:24
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【知识点】 y=ax²+bx+c的图象与性质解读
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【推荐1】若二次函数y=﹣x2+mx在﹣1≤x≤2时的最大值为3,那么m的值是_________________ .
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【推荐2】如图所示,在平面直角坐标系中,抛物线
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,且
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