抛物线y=(x-1)2-7的对称轴为直线_________ .
更新时间:2018-12-18 19:03:44
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【知识点】 y=a(x-h)²+k的图象和性质解读
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【推荐1】已知二次函数
的图象上有三点A(-1,
)、B(2,
)、C(5,
),则
、
、
的大小关系为(用小于号“<”连接)________________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847cda5e8b17629ac42e9f33631c99f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
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