已知二次函数
的图象经过点A(0,4),B(2,m).
(1)求二次函数图象的对称轴.
(2)求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87465d4ab3e426fb1ad69220104d9994.png)
(1)求二次函数图象的对称轴.
(2)求m的值.
20-21九年级上·浙江杭州·期末 查看更多[2]
更新时间:2020-01-12 11:53:26
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【知识点】 把y=ax²+bx+c化成顶点式解读
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【推荐1】已知二次函数
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较易
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【推荐2】已知抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/340d5a232309341789ee511a2eed8bf0.png)
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