如图,已知矩形
的两边OA,OC分别落在
轴,
轴的正半轴上,
的坐标为
,反比例函数
的图象经过
的中点E,且与BC边相交于点D.
(1)①求反比例函数的解析式及点D的坐标;
②直接写出
的面积为________.
(2)若P是OA上的动点,当
值为最小时,求直线
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d02dba7080b2d1e0d7a4a16a48a0d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
(1)①求反比例函数的解析式及点D的坐标;
②直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e00bf73d03dded1cf5f83cc5339361.png)
(2)若P是OA上的动点,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f3a30d63fde5623d018b4a77231967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://img.xkw.com/dksih/QBM/2020/5/18/2465591574716416/2466226873614336/STEM/e45ae265-a5ad-4121-8e38-1ab69701f958.png)
更新时间:2020-05-19 19:34:19
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,一次函数
的图象与
轴,
轴分别交于
、
两点,以
为边在第二象限内作等腰
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/6bfa6496-0dda-4a03-9544-8e84764f6179.png?resizew=310)
(1)求
的面积;
(2)求直线
的解析式;
(3)点
为线段
上一动点,过点
作
轴交
于点
,当
时,求四边形
的面积及此时点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54019221ce4994d43b2ed48b274ef863.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/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/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/6/6bfa6496-0dda-4a03-9544-8e84764f6179.png?resizew=310)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce5c0cf64a0d41ba16c26338fb2a993.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/862d2d507b5f1c7b6ce42e5e4839f630.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31cfd3948a2fb76d99c35bc2d233b784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
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解答题-问答题
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【推荐2】如图,在平面直角坐标系中,点O为坐标原点,直线
交x轴于点C,交y轴于点A,点B在x轴负半轴,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/10/a0b9c083-aa2c-4ec4-a3f8-47a35b9b1c63.png?resizew=621)
(1)求直线AB的解析式;
(2)点P在AB上,且点P在第二象限,点P的横坐标为t,过点P作x轴的平行线交AC于点D,设线段PD的长为d,求d与t之间的函数关系式,不要求写出自变量t的取值范围.
(3)在(2)的条件下,过点D作x轴的垂线,点E为垂足,过点E作AB的平行线交y轴于点F,连接PE交y轴于点G,若
,求d值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca621dc42304f844ac15dad7062d3959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9171ffb23f225eed11adc5c59bb488e5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/10/a0b9c083-aa2c-4ec4-a3f8-47a35b9b1c63.png?resizew=621)
(1)求直线AB的解析式;
(2)点P在AB上,且点P在第二象限,点P的横坐标为t,过点P作x轴的平行线交AC于点D,设线段PD的长为d,求d与t之间的函数关系式,不要求写出自变量t的取值范围.
(3)在(2)的条件下,过点D作x轴的垂线,点E为垂足,过点E作AB的平行线交y轴于点F,连接PE交y轴于点G,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea74213e56ccaf03f152876b12e8d6b.png)
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解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,在平面直角坐标系xOy中,直线
与反比例函数
的图象交于A,B两点,点A的横坐标为1.将直线
向下平移4个单位长度后得到直线
,设直线
与反比例函数
的图象交于C,D两点(C在D左边).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/b32d274b-b027-44a5-b4ff-fee639f6f4a6.png?resizew=411)
(1)请填空:反比例函数
与自变量x之间的函数关系式为______,B点坐标为______,并在平面直角坐标系中画出直线
;
(2)连接AC,BC,求
的面积;
(3)观察图象,当
时,直接写出自变量x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7efeb0c7a136c37b48e921f9f5777a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/b32d274b-b027-44a5-b4ff-fee639f6f4a6.png?resizew=411)
(1)请填空:反比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
(2)连接AC,BC,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)观察图象,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99705768f32229d4fa26eda74f9df5ea.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】如图在平面直角坐标系中,一次函数
的图像由函数
平移得到,经过点
,交反比例函数
的图像于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/3/8414ab49-b5f4-469b-9ad2-2d264cf84c94.png?resizew=190)
(1)求一次函数和反比例函数的表达式;
(2)已知点
,过点N作平行于y轴的直线,交函数
于点
,交直线
的图象于点
.当
时,直接写出n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee1e560563bebeea628693081932cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888a6b10db4d81e5d2ba969fb576bd78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9a288fd616c381bf926539f5bab115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f26c9415e4f339150b7d322b2f08477.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/3/8414ab49-b5f4-469b-9ad2-2d264cf84c94.png?resizew=190)
(1)求一次函数和反比例函数的表达式;
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77fc703c7a55621d55ce0c7558b2449d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9a288fd616c381bf926539f5bab115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009bbb16442829022f71f67954f6706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee1e560563bebeea628693081932cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e5706dc8e7751b5a8163359a648f14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
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解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,在平面直角坐标系中,△ABC的位置如图所示(每个方格的边长均为1个单位长度).
(1)写出下列点的坐标:A_____,B_____,C_____;
(2)若△ABC各顶点的纵坐标不变,横坐标都乘﹣1,请在同一平面直角坐标系中找出对应的点A′,B′,C′,并依次连接这三个点,从图象可知△ABC与△A′B′C′有怎样的位置关系?
(3)请在x轴上作出一点P,使得PB+PC最小.注意:将点P标出,保留作图痕迹.
(1)写出下列点的坐标:A_____,B_____,C_____;
(2)若△ABC各顶点的纵坐标不变,横坐标都乘﹣1,请在同一平面直角坐标系中找出对应的点A′,B′,C′,并依次连接这三个点,从图象可知△ABC与△A′B′C′有怎样的位置关系?
(3)请在x轴上作出一点P,使得PB+PC最小.注意:将点P标出,保留作图痕迹.
![](https://img.xkw.com/dksih/QBM/2021/11/11/2848963394101248/2851234496430080/STEM/5212f9eb-6e68-4890-ae70-2cdd005941f8.png)
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解答题-作图题
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适中
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【推荐2】如图,在正方形网格图中,
的三个顶点均为格点.
关于直线m对称的
;
(2)在直线m上求作一点P,使得
的值最小.(保留作图痕迹,不写作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)在直线m上求作一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51a8d10345f567e0f2daf18529d42f0.png)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,在矩形
中,
,
,
是边
上的任意一点
与
、
不重合),作
,交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/1f28d4da-550b-4085-8a2e-a3dbe524ac79.png?resizew=148)
(1)判断
与
是否相似,并说明理由.
(2)连接
,若
,试求出此时
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f57b9464c57e18c4ceb2056007fd9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a92bf37efe386e969621baf38d1eb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/12/1f28d4da-550b-4085-8a2e-a3dbe524ac79.png?resizew=148)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f944f78358763be992bb3d55fff12f2.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaac8fc1b65fa9660db21a01f84c674f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
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解答题-证明题
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适中
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【推荐2】将矩形ABCD绕点A顺时针旋转α(0°<α<360°),得到矩形AEFG.其中点B落在点E处,定C落在点F处,点D落在点G处.
![](https://img.xkw.com/dksih/QBM/2019/5/16/2205023308324864/2207248275496960/STEM/2412a2254bba43a9ae698d2ab9bde6c9.png?resizew=511)
(1)如图1,当点E在BD上时,求证:EF平分∠DEG;
(2)在(1)的条件下,如图2,分别延长ED、EF,相交于点H,求证:DH=BE;
(3)当α=________时,GC=GB?(直接填空,不必说理).
![](https://img.xkw.com/dksih/QBM/2019/5/16/2205023308324864/2207248275496960/STEM/2412a2254bba43a9ae698d2ab9bde6c9.png?resizew=511)
(1)如图1,当点E在BD上时,求证:EF平分∠DEG;
(2)在(1)的条件下,如图2,分别延长ED、EF,相交于点H,求证:DH=BE;
(3)当α=________时,GC=GB?(直接填空,不必说理).
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