如图,在平面直角坐标系中,菱形
的顶点A在y轴正半轴上,点C的坐标为
,反比例函数
的图象经过点B.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/da332359-3f8e-4f6b-81f2-11bf5ed1f6f3.png?resizew=168)
(1)求反比例函数的表达式;
(2)在反比例函数的图象上是否存在点P,使得
的面积等于菱形
的面积?若存在,请求出点P的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238f0ea276a00ae8d681ce00cc11c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/da332359-3f8e-4f6b-81f2-11bf5ed1f6f3.png?resizew=168)
(1)求反比例函数的表达式;
(2)在反比例函数的图象上是否存在点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/532d9de08698f61d7c010805c61a4ec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
22-23九年级上·陕西汉中·期末 查看更多[7]
陕西省汉中市城固县2022~2023年学年九年级上学期期末教学质量检测联考卷数学试卷(已下线)专题11.33 反比例函数(存在性问题)(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题6.33 反比例函数(存在性问题)(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题02 反比例函数应用(五大类型)(题型专练)-2023-2024学年九年级数学上册《知识解读·题型专练》(北师大版)(已下线)专题12 反比例函数与几何图形、实际应用的综合问题之五大题型-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(人教版)(已下线)专题02 反比例函数应用(五大类型)(题型专练)-2023-2024学年九年级数学下册《知识解读·题型专练》(人教版)2022学年辽宁省盘锦市双台子区第三中学九年级下学期数学第一次模拟考试题
更新时间:2023-02-20 22:07:14
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适中
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【推荐1】如图,已知点
在双曲线
上,点
、
在双曲线
上,
轴.
![](https://img.xkw.com/dksih/QBM/2022/8/25/3052033263788032/3130904086183936/STEM/e06202ff2bb6481a845b67a844a0dd38.png?resizew=179)
(1)当
,
,
时,求此时点
的坐标;
(2)若点
、
关于原点
对称,试判断四边形
的形状,并说明理由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e199f147292e600305335edba2f134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0184523cb920d9532c8d586cd0a29c73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb8ac3ea4c4bd37cc5d556d947c50f91.png)
![](https://img.xkw.com/dksih/QBM/2022/8/25/3052033263788032/3130904086183936/STEM/e06202ff2bb6481a845b67a844a0dd38.png?resizew=179)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3967d620e2fef3ecc724c66e29f68a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c9be3ebb6f9980e57d0e8280e99bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若点
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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解答题-作图题
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名校
【推荐2】如图,在平面直角坐标系中,一次函数
与反比例函数
的图象相交于点
,且与x轴相交于点C,点
在直线
上.
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968651978530816/2974108321439744/STEM/c4bd8048-4cfd-48b2-aac5-11239fb6d69c.png?resizew=293)
(1)求该反比例函数的解析式;并在网格中画出反比例函数图象;
(2)过点B作
轴交y轴于点D,求
的面积;
(3)根据函数图象,直接写出关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b075439bba0732cec72714902d8aac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49d34012ddf68fb981eb4975ac99b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6349e81a3db522257c07f0e7901d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280b1e56e8af6202bef7dd4c69a1df16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/2022/4/29/2968651978530816/2974108321439744/STEM/c4bd8048-4cfd-48b2-aac5-11239fb6d69c.png?resizew=293)
(1)求该反比例函数的解析式;并在网格中画出反比例函数图象;
(2)过点B作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ccba34039d6585ab9d15a26aa97f0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
(3)根据函数图象,直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fca18f93f580a4839b08ad5dd4a8ecad.png)
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【推荐1】如图,正比例函数
的图象与反比例函数
的图象交于点
和点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/da4c5b72-38e2-4fea-ba60-85cf32ed5fac.png?resizew=229)
(1)求这两个函数的表达式;
(2)写出点
的坐标,并根据图象写出正比例函数值大于反比例函数值的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/766bc42b7ead98238a339bb4dc42bb51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb79a1b0c6dc78e6de17de6bed477fb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c80eabaf101288433b3b9e92a4805a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/3/da4c5b72-38e2-4fea-ba60-85cf32ed5fac.png?resizew=229)
(1)求这两个函数的表达式;
(2)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】如图,已知直线
与反比例函数
的图象交于点
,与
轴交于点
,过点
作
轴的平行线交反比例函数
的图象于点
.
和反比例函数图象的表达式;
(2)求
的面积;
(3)请直接写出不等式
的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14f8297bca75733768012232c0780311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)请直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d996dd03fdf7456f25b6dc9cc53525.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐1】在数学活动课中,同学们对特殊四边形的折叠问题进行了探究:在四边形
中,点E是边
上一动点,将四边形
沿
折叠,点B,C的对应点分别为点
,
.下面是某学习小组的三位同学提出的数学问题,请你解决这些问题.
中,
,当点
落在
的延长线上时,
,
;
(2)小华同学提出的问题:如图2,在平行四边形
中,
,当
时,求
的值及
的度数.
(3)小丽同学在小华提出的问题的基础上进行了延伸:如图3,在菱形
中,
,
,点 E在射线
上运动(
),当
与菱形
的一边垂直时,请直接写出
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f70d6f5baadf8139ee650b84f2fde70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/705729986b5b697bb0051efd56ba028e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c44345de7d1f37b48def25db8c5e2b.png)
(2)小华同学提出的问题:如图2,在平行四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd71ee786f1110b36d3e275ca88b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d648240bf4713323872610aa38f0ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6577510c9e2765c4d54ebadd6c7ddab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4598486f8c5ac28b1165b76e78105979.png)
(3)小丽同学在小华提出的问题的基础上进行了延伸:如图3,在菱形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f5c0c9429eed9a77d744719382de42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a83ccde054ec5f3473ede6c07e484290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
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解答题-证明题
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【推荐2】如图,菱形
中,分别延长
至点E,F,使
,连接![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50be3eac287ca32ec9a9a2ad24995617.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/e06863ec-c921-45f4-80a3-fb47d4e7c9fd.png?resizew=169)
(1)求证:四边形
是矩形;
(2)如果
,菱形
的面积为
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ced9844fe2e052c70486af0740afa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f5654cf3293e815f0cd9d6f3ed97b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50be3eac287ca32ec9a9a2ad24995617.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/e06863ec-c921-45f4-80a3-fb47d4e7c9fd.png?resizew=169)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc50ecfa45216f8d098662452cf8d08.png)
(2)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae62fcc7e69d82931f6b818e8ad712d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
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