已知二次函数
.
(1)求出它的图象的顶点坐标和对称轴方程;
(2)画出它的图象;
(3)分别求出它的图象和x轴、y轴的交点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2424a5b449cd258d39765ba1167f3b98.png)
(1)求出它的图象的顶点坐标和对称轴方程;
(2)画出它的图象;
(3)分别求出它的图象和x轴、y轴的交点坐标.
更新时间:2022-11-07 14:20:48
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(1)当
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