如图,直线
,分别交
轴于点
,交
轴于点
,以
为直角边构造直角等腰三角形
,
,动点
的坐标为
,如果
的面积与
的面积相等,那么所有符合条件的
值之和为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c9bcce20132c2ef4a9deacff579502.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2024九年级·全国·竞赛 查看更多[3]
第12届“枫叶新希望杯”全国研学营 团体接力赛七升八试题第十一届 “枫叶新希望杯”全国研学营赛 团体接力赛 七升八年级试题(已下线)专题19.40 一次函数常考核心知识点分类专题(分层练习)(培优练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)
更新时间:2024-02-15 07:36:49
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【推荐1】如图,在平面直角坐标系中,
,将点
向下平移1个单位,再向右平移2个单位得到点
,若点
在
轴上,且
,则点
的坐标为______ .
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【推荐2】如图,已知
,
,第四象限的点
到
轴的距离为3,若
,
满足
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与
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【推荐1】正方形A1B1C1O,A2B2C2C1,A3B3C3C2,…按如图所示的方式放置,点A1,A2,A3,…和点C1,C2,C3,…分别在直线y=x+1和x轴上,则点B2018的纵坐标是________ .
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【推荐2】如图,正方形A1B1C1O,A2B2C2C1,A3B3C3C2, ……,按如图的方式放置.点A1,A2,A3,……和点C1,C2,C3……分别在直线y=x +1和x轴上,则点A6的坐标是____________ .
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【推荐1】(1)如图所示在
中,
,
,
,D是BC延长线上一点,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
________
.
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(2)如图所示,在
中,
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,
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(2)如图所示,在
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【推荐2】如图,海上救援船要从A处到海岸
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【推荐2】直线
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