如图,点
在
轴上,
,点
的位置是
,求经过点
、
、
的抛物线的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434845564fd5765244f8d1aa9240fa39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438457cd1646cf91267489331d792f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/30/b47742c4-e121-4abc-aec0-e2a1f79bdd10.png?resizew=154)
更新时间:2023-12-29 15:13:31
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【知识点】 待定系数法求二次函数解析式解读
相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐1】在平面直角坐标系内,设二次函数
(a为常数).
(1)若函数y的图象经过点(1,2),求函数y的表达式.
(2)若二次函数
在
时,y有最小值2,求a的值.
(3)已知(m,n)(
)在函数y的图象上,当
时,求证∶
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058b23384d19e2c44881ef9c40bb036b.png)
(1)若函数y的图象经过点(1,2),求函数y的表达式.
(2)若二次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/058b23384d19e2c44881ef9c40bb036b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6ad6387d592102a743742620eee7fe.png)
(3)已知(m,n)(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9aea7049033ee0d3b3adff4476b9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15e7194eb9ce7d27727652c59c26f43b.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】在平面直角坐标系中,函数
的图象经过点
.
(1)求该函数图象的顶点坐标和对称轴.
(2)该图象上有
,
,
三点,请直接写出
、
、
的大小关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e6d87500b100b3fadc0f5c060bb670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b39f102a547d063e5a1a92666a555c.png)
(1)求该函数图象的顶点坐标和对称轴.
(2)该图象上有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a17431f86f35afcf3ee7e0c4a9dee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e30ca3e0cb628bf93aae606b9168d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5fb0e91517b38b63974a3d7a4de7d96.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)
您最近一年使用:0次