如图,点N(0,6),点M在
轴负半轴上,ON=3OM.A为线段MN上一点,AB⊥
轴,垂足为B,AC⊥
轴,垂足为C.矩形ABOC的面积为2.
(1)点M的坐标为 ;
(2)求直线MN的解析式;
(3)求点A的坐标(结果用根号表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)点M的坐标为 ;
(2)求直线MN的解析式;
(3)求点A的坐标(结果用根号表示).
![](https://img.xkw.com/dksih/QBM/2017/10/15/1795993440657408/1796014170570752/STEM/d450bef4efce4ce5951ec33a8aaa1be5.png?resizew=162)
更新时间:2017-10-15 21:43:05
|
【知识点】 几何问题(一次函数的实际应用)解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图1,在平面直角坐标系中,直线
与
轴交于点
,与
轴交于点
,点
在
轴上运动,连接
,将
沿直线
折叠,点
的对应点记为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/4187a687-dca7-4688-93e9-5655bf7c8cee.png?resizew=547)
(1)求直线
的函数表达式;
(2)若点
恰好落在直线
上,求
的面积;
(3)如图2,若
恰好与
轴平行,且边
与线段
有交点,设交点为
,在
轴上是否存在点
,使得
是等腰三角形?若存在,请直接写出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ef3fd4967b17d784c170ade802f694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23b9fc6ffcd8047efb5e7748fb7e4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292337dce2c74ce4ea6d9ec165f51c48.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/4187a687-dca7-4688-93e9-5655bf7c8cee.png?resizew=547)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/292337dce2c74ce4ea6d9ec165f51c48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
(3)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7f06b201c9618bfa4da599f03d3de6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293e44acc17b210ebd4e8f72ca7df163.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92905d020164683947943040ec19c530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图,
,
,
轴,与直线
交于点
,
轴于点
,
是折线
上一动点.设过点
,
的直线为
.
(1)点
的坐标为________;
(2)若直线
所在的函数随
的增大而减少,则
的取值范围是__________;
(3)若动点
在
上运动,
与
相似时,求此时直线
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29610a3415c1e795d35979a5a9ff69f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a20e3b66f99144a013bba3c2c00a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb80cfa75e2b67078680ab6b1aa3e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2634263d383b0487281fdcf6fe3cc625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b06e2afda07968ab42d3a812cfdbbb01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
(3)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://img.xkw.com/dksih/QBM/2021/4/28/2709546990493696/2717432696496128/STEM/2bb05fbf-f9be-453c-85f0-c77bfab12fd6.png)
您最近一年使用:0次