二次函数
的函数图象如图,点
位于坐标原点,点
,
,
,
,
都在
轴的正半轴上,点
,
,
,
,
都在二次函数
位于第一象限的图象上,且
,
,
,
都是直角顶点在抛物线上的等腰直角三角形,则
的斜边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344ccbf79da6ad7e3709d6fa72efb756.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e47cd514b2920609e3781c87df6ab70.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd14cc1a3f03fa2c1df2a8f12cfb298.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/3/5efe531a-7ec1-4061-9590-32426baccb3b.png?resizew=150)
20-21九年级上·辽宁葫芦岛·期末 查看更多[7]
更新时间:2022-11-29 18:18:41
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