反比例函数
与
在第一象限内的图象如图所示,过x轴上点A作y轴的平行线,与函数
,
的图象交点依次为P、Q两点.若PQ=2,求PA的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5069caf1414f3d4e9aa0d6c74d30de9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5069caf1414f3d4e9aa0d6c74d30de9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://img.xkw.com/dksih/QBM/2019/6/21/2230575426994176/2231263103795200/STEM/91c2def7b1fc4e47881b7d19b03c9f8a.png?resizew=168)
更新时间:2018-12-24 09:33:52
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【知识点】 反比例函数与几何综合解读
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,直线
与反比例函数
的图象相交于点
,
,直线
与
轴交于点
,与
轴交于点
,
,
.
(1)求直线
与反比例函数的表达式;
(2)若点
是第四象限内反比例函数图象上一点,
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0c143e0781facdd4e4b6db9854e0ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/6f63497b4100cec8b851327bdb9b472a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d7ec20141db31e48d830a254370ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ddf127c45a74ce4e0d217bd29242480.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/7/2a679e8a-4237-4f01-a525-23f51e6e12c3.png?resizew=219)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90de41c4c3dd29fb01cf70f4136a9ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,反比例函数
的图象与经过原点的直线AB的一个交点为A(
,n).
![](https://img.xkw.com/dksih/QBM/2021/7/13/2763364374077440/2799529111068672/STEM/ae6ab747ff7b460c8eb307f6510524da.png?resizew=211)
(1)求直线AB对应的函数表达式;
(2)点C在y轴上,当△ABC的面积为6时,求点C的坐标;
(3)在直线AB上方的平面内是否存在点D,使△ABD为等腰直角三角形?若存在,请直接写出点D的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8684443809254c64330bb349b473bda5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81fb134b2b48acc99213fff6ccfee65f.png)
![](https://img.xkw.com/dksih/QBM/2021/7/13/2763364374077440/2799529111068672/STEM/ae6ab747ff7b460c8eb307f6510524da.png?resizew=211)
(1)求直线AB对应的函数表达式;
(2)点C在y轴上,当△ABC的面积为6时,求点C的坐标;
(3)在直线AB上方的平面内是否存在点D,使△ABD为等腰直角三角形?若存在,请直接写出点D的坐标;若不存在,请说明理由.
您最近一年使用:0次