如图,
轴,
为垂足,双曲线
与
的两条边
分别相交于
两点,
的面积为
,则
等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24624dffd30b66a5e4de57362b32b2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc25b84b61b4a60b602bed326ed11086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2981bf2261343f905ec1b5355a3c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22759ffbd5c283ed7a220ff5755a66a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a5b099b9112ed6a9f71b4a65875ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e19ee4478ca7dde982092527ea7d121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/2020/9/24/2556792716673024/2556923038195712/STEM/3d7484a65b9c496bb3bedc6d110003f7.png?resizew=170)
更新时间:2020-09-24 22:56:08
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解题方法
【推荐1】如图,在平面直角坐标系中,反比例函数
的图像经过
上的两点A,P,其中P为
的中点,
的面积为8,则k的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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名校
【推荐2】如图,矩形
的顶点
,
分别在
轴,
轴正半轴上,反比例函数
的图象分别与矩形
两边
,
交于点
,
,沿直线
将
翻折得到
,且点
恰好落在直线
上.下列四个结论:①
;②
;③
;④
.其中结论正确的有 __ .(仅填代号即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a37e8519ea115c1777d031d9963583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8f6e9f9456721dfc1a30e3a0fd77c6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21495ef8c631a522ae6f81f576e1caac.png)
![](https://img.xkw.com/dksih/QBM/2021/10/9/2825707797676032/2827609764184064/STEM/edbfed30bf2443edb6b2258494366f09.png?resizew=200)
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【推荐1】如图,在平面直角坐标系中,BA⊥y轴于点A,BC⊥x轴于点C,函数y=﹣
(x>0)的图象分别交BA、BC于点D、E,当BD=3AD,且△BDE的面积为18时,则k的值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
![](https://img.xkw.com/dksih/QBM/2019/3/16/2161699030351872/2164807258873856/STEM/a23545fdc2c04163a2917d50b82f4d17.png?resizew=166)
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【推荐2】如图,
的顶点A在反比例函数
的图象上,
,
轴,若
的面积为6,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467405b57ddf673891dd4bc7a2b1507a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c632976c22403be7dfeab05a8514ea04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75cb90e72041e9139d4964f529ae1728.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ed6bee57f4526320197d6a7474386f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31804934e20763ae47f7c7327a15a2ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/467405b57ddf673891dd4bc7a2b1507a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/4/fc99d68c-7b4b-46b3-83ca-195cb4ca7282.png?resizew=201)
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【推荐1】如图,和
是以点O为位似中心的位似图形,若
,则
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