如图,在平面直角坐标系中,已知点A(-
,0),B(0,3),C(0,-1)三点.
![](https://img.xkw.com/dksih/QBM/2019/10/4/2304598288359424/2304901232279552/STEM/c0074226c540415089aecc26e084f170.png?resizew=191)
(1)求线段BC的长度;
(2)若点D在直线AC上,且DB=DC,求点D的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://img.xkw.com/dksih/QBM/2019/10/4/2304598288359424/2304901232279552/STEM/c0074226c540415089aecc26e084f170.png?resizew=191)
(1)求线段BC的长度;
(2)若点D在直线AC上,且DB=DC,求点D的坐标.
更新时间:2019-10-04 21:16:28
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【知识点】 几何问题(一次函数的实际应用)解读
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解答题-作图题
|
适中
(0.65)
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(1)请在表格中画出直角坐标系,点
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