如图,A、B是反比例函数
图象上的两点,A、B两点的横坐标分别为1,2,线段
的延长线交x轴于点C.若
的面积为6.
的函数表达式;
(2)写出
的函数值大于
的函数值时x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbe64d61890c4c2573b75be17575b8b.png)
2024·安徽合肥·二模 查看更多[2]
更新时间:2024-05-28 16:20:17
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相似题推荐
解答题-问答题
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【推荐1】在平面直角坐标系xOy中,点P的坐标为(x1,y1),点Q的坐标为(x2,y2),且x1≠x2,y1≠y2,若P,Q为某个矩形的两个顶点,且该矩形的边均与某条坐标轴垂直,则称该矩形为点P,Q的“相关矩形”,如图为点P,Q的“相关矩形”示意图.
(1)已知点A的坐标为(1,0),
①若点B的坐标为(4,1),求点A,B的“相关矩形”的面积;
②点C在直线x=4上,若点A,C的“相关矩形”为正方形,求直线AC的表达式.
(2)⊙O的半径为
,点M的坐标为(m,4),若在⊙O上存在一点N,使得点MN的“相关矩形”为正方形,求m的取值范围.
(1)已知点A的坐标为(1,0),
①若点B的坐标为(4,1),求点A,B的“相关矩形”的面积;
②点C在直线x=4上,若点A,C的“相关矩形”为正方形,求直线AC的表达式.
(2)⊙O的半径为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/b676fb2d-13b4-4727-bf5a-851ceab7bbbf.png?resizew=234)
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【推荐2】如图,点A在反比例函数
的图像上,
轴,垂足为
,过
作
轴,交过B点的一次函数
的图像于D点,交反比例函数的图像于E点,
.
和一次函数
的表达式:
(2)求DE的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24624dffd30b66a5e4de57362b32b2a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4129098ad406f5d89c02c3b1c4b905d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2634263d383b0487281fdcf6fe3cc625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e8797d78cb775dcd41b91ebc27f206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ffa77634e93eb1692c9c84c37a0821.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e8797d78cb775dcd41b91ebc27f206.png)
(2)求DE的长.
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【推荐3】[定义]平面直角坐标系内的矩形若满足以下两个条件:①各边平行于坐标轴;②有两个顶点在同一反比例函数图象上,我们把这个矩形称为该反比例函数的“伴随矩形”.
例如,图1中,矩形
的边
轴,
轴,且顶点
在反比例函数
的图象上,则矩形
是反比例函数
的“伴随矩形”.
(1)已知,矩形
中,点
的坐标分别为:①
②
;③
,其中可能是某反比例函数的“伴随矩形”的是 ;(填序号)
(2)如图1,已知点
)是反比例函数
的“伴随矩形”
的顶点,求直线
的函数解析式;
(3)若反比例函数的“伴随矩形”
如图2所示,试说明有一条对角线所在的直线一定经过原点.
例如,图1中,矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866845cedb7e1be0c5a576ccac40a720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a7b4baaa686dc1034984348389efee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be23bcd995b65520577f9ffa6b761c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/25/5093f773-c3ba-4ca5-9e75-bc5ed5f2efce.png?resizew=263)
(1)已知,矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be23bcd995b65520577f9ffa6b761c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3420839f0329fadf43a733be2c77a61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cf8984e3ebff4b9f5da98eedd210ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2dba3e7900d90a60927245e9fe0c46.png)
(2)如图1,已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebe0fcf25134aa5168f236da8424e203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(3)若反比例函数的“伴随矩形”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐1】如图,直线
)与反比例函数
在第一象限内的图象交于点A
,与y轴交于点B,过双曲线上的一点C作x轴的垂线,垂足为D,交直线l于点E,且
.
(1)求反比例函数及直线l的表达式;
(2)若
将四边形
分成两个面积相等的三角形,求点C的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd253845ef2573f56182ae306cc68205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412de93a9a3a2dfbb727b793453c4196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c4b69ab18929179c2f9a44ad68d2ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fd1616d17575fb6b24210982ed9501c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/14/6a1f768f-309d-425f-862a-539e4aebdb99.png?resizew=171)
(1)求反比例函数及直线l的表达式;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88047f00ecbeea226344279b7b3d23b5.png)
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【推荐2】如图,一次函数
与反比例函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
,
的图象交于
,
两点,
轴于点
,
轴于点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/81bcf050-9225-4181-b942-1755b4178ee5.png?resizew=174)
(1)求反比例函数和一次函数的表达式;
(2)根据图象直接写出
>![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
时的
的取值范围;
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef64a3e1eb066f5f6cebe787c0657d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4537d9e869e5bba2d7dcc683a0f73e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1571abd840aff6d43ec6bd0489fdb95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f82749b0d7e9e2cc6a81b15067f5b00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8178c63d125ee6235feeb2fc70d02745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b45db8dd8768994af51206565379fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/81bcf050-9225-4181-b942-1755b4178ee5.png?resizew=174)
(1)求反比例函数和一次函数的表达式;
(2)根据图象直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f474db29d37530b650500b1271f55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f7626c207a4dc82d4d59cb520c91e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab03556c333ab0b55fe86c937b2a5763.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
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解答题-证明题
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适中
(0.65)
【推荐1】已知:在
中,
,点D、E分别在边AC、AB上,连接BD、CE交于点
,且
.
![](https://img.xkw.com/dksih/QBM/2019/12/27/2364201610231808/2366433609932800/STEM/ec332acb5609478db448c07a4dc88451.png?resizew=118)
(1)求证:
.
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f941a77cef45d7f38c64403eb5a250c.png)
![](https://img.xkw.com/dksih/QBM/2019/12/27/2364201610231808/2366433609932800/STEM/ec332acb5609478db448c07a4dc88451.png?resizew=118)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c35afd41442b9afb9fec8f41a415a2.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256b632ac85c2a2b4b53a4efa3b28b9e.png)
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【推荐2】如图,四边形
的对角线
与
交于点
,已知
.
(1)若
,求
的值;
(2)若
,
,
,
.
①设
的面积为
,
的面积为
,求
的值;
②求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67d7f4076d813fd0490419f6ab38bd5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/6574f012-bf74-4806-abc3-93a2b0449d71.png?resizew=135)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b57a1735acf4fd67aeb69575e0f90ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5378a3867bf1a7386b1330aa8b36f0a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc1f76257275ab4b04f9bc913535670.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc26e0670d0549fdcdb7bea3e632a3ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81013b3a38488fce71582c3f4a5da43f.png)
①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164a4df60a15587971e883cf557b5ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24863a52a4148b7f0bbc7732b9235cd.png)
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【推荐1】如图直线
与
轴交于点
,与
轴交于点
,且
,四边形
是面积为
的矩形,反比例函数
的图像过第一象限内点
,延长
交双曲线于点
,
(2)在
轴上有一点
,若
,直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c283ed3acfe77054672d1a4185f731e.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13c121d6561e38868086652d4ca57b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ee8b9cd85c0ae0b3eda1670c6f96be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解答题-作图题
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名校
【推荐2】小明根据学习函数的经验,对函数
的图象与性质进行了探究.下面是小明的探究过程,请补充完整:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/f9ec479b-7c9e-4502-a717-cec1826bf9fa.png?resizew=224)
(1)函数
的自变量x的取值范围是______;
(2)下表列出了y与x的几组对应值,请写出m,n的值:
______,
______;
(3)在如图所示的平面直角坐标系中,描全上表中以各对对应值为坐标的点,并画出该函数的图象.
(4)结合函数的图象,解决问题:
①方程
的解为:______
②当函数值
时,x的取值范围是:______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f898ed3fa2224634ae2f3c27548ced.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/11/f9ec479b-7c9e-4502-a717-cec1826bf9fa.png?resizew=224)
x | … | 0 | 2 | 3 | … | |||||||
y | … | m | 0 | n | 2 | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f898ed3fa2224634ae2f3c27548ced.png)
(2)下表列出了y与x的几组对应值,请写出m,n的值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(3)在如图所示的平面直角坐标系中,描全上表中以各对对应值为坐标的点,并画出该函数的图象.
(4)结合函数的图象,解决问题:
①方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87cb465568e74e7a93618be0a0ad2ae.png)
②当函数值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9581a1a021843a9dd466573f01b80bc5.png)
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