如图,在平面直角坐标系中,函数y=2x和y=-x的图象分别为直线l1,l2,过点(1,0)作x轴的垂线交l1于点A1,过A1点作y轴的垂线交l2于点A2,过点A2作x轴的垂线交l1于点A3,过点A3作y轴的垂线交l2于点A4,…依次进行下去,则点A2019的坐标为______ .
![](https://img.xkw.com/dksih/QBM/2019/4/20/2186442010402816/2187358033321984/STEM/a9e71ea489ff44db963bacd0ad49602c.png?resizew=172)
更新时间:2019-04-21 19:34:13
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【知识点】 一次函数的规律探究问题解读
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【推荐1】如图,在平面直角坐标系第一象限内,直线
与
的交角内部作等腰
,使
,边
轴,
轴,点
在直线
上,点
在直线
上,
的延长线交直线
于点
,作等腰
,使
,
轴,
轴,点
在直线
上…按此规律,则等腰
的腰长为______ .
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【推荐2】如图,在平面直角坐标系中,点
,直线
与x轴交于点B,以
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作
轴,交直线l于点
,以
为边作等边
,过点
作
轴,交直线l于点
,以
为边作等边
,以此类推……,则点
的纵坐标是__________ .
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