操作:“如图1,
是平面直角坐标系中一点(
轴上的点除外),过点
作
轴于点
,点
绕点
逆时针旋转
得到点
.”我们将此由点
得到点
的操作称为点的
变换.
经过
变换后得到的点
的坐标为______;若点
经过
变换后得到点
,则点
的坐标为______.
(2)
是函数
图象上异于原点
的任意一点,经过
变换后得到点
.
①若点
的横坐标是2,求经过点
,点
的直线的函数表达式;
②如图2,直线
交
轴于点
,直接写出
的面积与
的面积之比.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](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/95e7c6d54b0d73fa8d3af7f2a4d7f049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684eae051519f6aba934423a7182fa0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed54481549124d7768af032478a9de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920fdf4cd0153c43eb7b9130b86de598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4489d9b83072184c0e1d6b09be50ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
②如图2,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/7189182cc23d759be2764d141952737b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7bd8bfbd43d0cf1604b8d7e0023f57.png)
更新时间:2024-05-16 10:13:26
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】
在平面直角坐标系中,且
、
、
.将其平移后得到
,若
、
的对应点是
、
,
的对应点
的坐标是
.
![](https://img.xkw.com/dksih/QBM/2020/11/3/2584821996290048/2584854492864512/STEM/f7ccc484-d544-4d73-9bcf-9a3cffe37c01.png)
(1)在平面直角坐标系中画出
和
;
(2)写出点
的坐标是________,
坐标是________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4212e0f2da912518e8b02a741cc91ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd68e1e35d4d0cd74ea8172898cc5fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2a4fde20e90bc757d503ee83f08e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/631386549c0cec5981a1da47b05e5d25.png)
![](https://img.xkw.com/dksih/QBM/2020/11/3/2584821996290048/2584854492864512/STEM/f7ccc484-d544-4d73-9bcf-9a3cffe37c01.png)
(1)在平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系xOy中,
的三个顶点的坐标分别是
,
,
.将
向上平移5个单位长度,再向右平移8个单位长度,得到
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/cabf8b8d-e9b4-47c1-9dba-a9eb64d703c3.png?resizew=268)
(1)在平面直角坐标系xOy中画出
;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d19be7df4dc8fcc4d85c5fc0301aff07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086073f8f41f6b1cecca1ef930508e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcd9a9632a2c83fa0bdb75821a938fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/cabf8b8d-e9b4-47c1-9dba-a9eb64d703c3.png?resizew=268)
(1)在平面直角坐标系xOy中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,已知直线
与
轴,
轴分别交于点
和点
,
为线段
上一点,若将
沿
折叠,点
恰好落在
轴上的点
处.
(1)求
,
两点的坐标.
(2)求直线
的函数表达式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bb80c6d18691920bb7c174f04940f2.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.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/3953cec61ac602ce5eb59b7912352179.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/c5f1e4d9-c513-4cc7-a1a9-4b79e9b5d83f.png?resizew=208)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,在平面直角坐标系
中,直线
的表达式为
,
,
,直线
与直线
相交于点
.
(1)求直线
的表达式;
(2)求点
的坐标;
(3)若直线
与
轴交于点
,且直线
上存在一点
,使得
的面积是
的面积的
倍,直接写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3289d35168114842edaa9ab429b189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89eb252b8ebe87ef71642dbf9ab3442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce063396d5ad0d441f79d504e7207f70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/22/19cf6d8a-dc4c-4927-bba2-adf9b604616a.png?resizew=143)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b044e1fc58f1da29ddf2fa8413aa5f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/283b6c8adb38ca36a40857d7d0f1d1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐1】在平面直角坐标系中,点A(6,0),点B(0,8),把△AOB绕原点O逆时针旋转,得△COD,其中点C,D分别为点A,B旋转后的对应点,记旋转角为
(
)
(1)如图,当
时,求点C的坐标;
(2)当CD//
轴时,求点C的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e514bc1761deff47d27c1909c1906ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2e6042c5639188d43d07637238e4b7.png)
(1)如图,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0d6e18f40ce0d55d90bffcd878f7d2.png)
(2)当CD//
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2020/12/28/2623767962263552/2624451309527040/STEM/ecc65d300dd54eee8fb0a9a4cb147787.png?resizew=205)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图1,已知在Rt△ABC中,∠ACB=90°,∠A=30°,将Rt△ABC绕C点顺时针旋转α(0°<α<90°)得到Rt△DCE
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760296255733760/2770343162167296/STEM/a1b7d93d-3b03-4bbf-9e59-883981f11a68.png)
(1)当α=15°,则∠ACE= °;
(2)如图2,过点C作CM⊥BF于M,作CN⊥EF于N,求证:CF平分∠BFE.
(3)求Rt△ABC绕C点顺时针旋转,当旋转角α(0°<α<90°)为多少度时,△CFG为等腰三角形.
![](https://img.xkw.com/dksih/QBM/2021/7/9/2760296255733760/2770343162167296/STEM/a1b7d93d-3b03-4bbf-9e59-883981f11a68.png)
(1)当α=15°,则∠ACE= °;
(2)如图2,过点C作CM⊥BF于M,作CN⊥EF于N,求证:CF平分∠BFE.
(3)求Rt△ABC绕C点顺时针旋转,当旋转角α(0°<α<90°)为多少度时,△CFG为等腰三角形.
您最近一年使用:0次