解下列方程(组):
(1)(x+3)(x+1)=1;
(2)
﹣1=
;
(3)
(1)(x+3)(x+1)=1;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658e3d4cb05a3ba2df63d9b847413c51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65b0cadb01ce667d99286601a663400f.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578a2727ae7edb88b5b90f99aa69dd12.png)
更新时间:2020-05-24 14:10:05
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解答题-问答题
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适中
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【推荐1】如图,在平面直角坐标系
中,一次函数
与反比例函数
交于点
,
.
(1)求
,
对应的函数表达式;
(2)直接写出当
时,不等式
的解集.
(3)若点P是反比例函数图像上一点,且
的面积是
的面积的2倍,求点P的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c558efaf502b94d5e12bb1219f074a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfaba0309c471a4246ca3254a3cdaf17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e717fc336c2b9c1617421b5b8a4ae6b3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/10/e1a6cf73-d1c2-4ca8-bb3b-b21a16fdd9f4.png?resizew=146)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e712262390434633d974c6aeada12e62.png)
(3)若点P是反比例函数图像上一点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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