在平面直角坐标系中,
,
,
,且
.
,
,
的坐标;
(2)如图(1),平移线段
至
,使
点的对应点是点
,求三角形
的面积;
(3)如图(2),点
是
轴正半轴上一点,当
把四边形
的面积分为
的两部分时,求
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/197011a724e13d30d80537dc5bc7194a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34fe934d71389fd57a96eaab779abbed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5517f6326d510d08909965854f0eb5c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b89105ab7c4e3a3a0ca9990bac950f2e.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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图(1),平移线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.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/8d78fc7fcb2762de28dcef8aa3aa0e49.png)
(3)如图(2),点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75b6962442049b6b083b22ef82269bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
23-24七年级下·湖北·期中 查看更多[4]
湖北省知名中小学教联体联盟2023-2024学年七年级下学期期中数学试题湖北省广水市2023-2024学年七年级下学期期中数学试题湖北省随州市广水市西协作区联考2023-2024学年七年级下学期期中数学试题(已下线)专题03 直角坐标系及其面积、规律问题(九大题型)-【好题汇编】备战2023-2024学年七年级数学下学期期末真题分类汇编(山东专用)
更新时间:2024-05-29 22:15:01
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相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】在平面直角坐标系中,已知
,且满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/7/d7e7d5c6-1269-485c-826e-48085010a7f8.png?resizew=396)
(1)写出
两点的坐标;
(2)如图1,已知坐标轴上有两个动点
同时出发,
点从
点出发沿
轴负方向以每秒1个单位长度的速度移动,
点从
点出发以每秒3个单位长度的速度沿
轴正方向移动,点
为线段
上一点.设运动时间为
秒.问:是否存在这样的
,使
?若存在,请求出
的值;若不存在,请说明理由.
(3)如图2,点
是第二象限上的点,连
,点
是线段
上一点,满足
.点
是射线
上一动点,连
,交直线
于点
,当点
在射线
上运动的过程中,求
与
的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d8623c63099734fcf3054a0ca9712bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47c0748a6a48c565e8d6346303dc14c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/7/d7e7d5c6-1269-485c-826e-48085010a7f8.png?resizew=396)
(1)写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(2)如图1,已知坐标轴上有两个动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c2df1ec4f5d17fa8590e920fac61af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebd1d359040a1172a944ded96ed0127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35b80edf4c6642c5cc9fd14597898718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440eb5e793336330662561bc5b17e65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ea8128187ccc434c68cc9eb393b323.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feaf8ceca9b6ecd615e91bbe0af84e6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48a3d419c619743fa7b7eaedd1838efb.png)
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【推荐2】正方形
在平面直角坐标系中的位置如图所示,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
轴,
与y轴交于点E,
,且
的长满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/27/00843888-c9c3-47ab-b813-35b8edbeec14.png?resizew=271)
(1)求点A的坐标;
(2)若
,
①求
面积;
②正方形
的边
上是否存在点M,使
?若存在,请求出点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fc28f622892dd18bbbac95d541acfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e88d8672e8521e27058252f51000281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff82fe93561f087360959e5e9f90d65.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/27/00843888-c9c3-47ab-b813-35b8edbeec14.png?resizew=271)
(1)求点A的坐标;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a18deb8273ee656d1261766b469ee2b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6411702a396af7b9511d92762a9db5.png)
②正方形
![](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/2f6f0707b1f83b2b0d9d9a90863a66ce.png)
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【推荐1】已知点
,点
,且a,b满足关系式
.
(2)如图1,点C在x轴上,当三角形
的面积为15时,求点C的坐标;
(3)如图2,点D是直线
第一象限上的点,连接
,当三角形
的面积为12时,求点D的坐标;
(4)如图3,平移直线
得到直线
,交x轴于点E,交y轴于点F,P是直线
第四象限上的点,过点P作
轴于点H,连接
,
.当三角形
的面积为36且
时,直接写出点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296c31eaede57efe89ffb83f02ad4622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7cc7fa5c3ece58be434d7b2d2d3a00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7aec01a6a599688c0be48de910359fe.png)
(2)如图1,点C在x轴上,当三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(3)如图2,点D是直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683c590673eece14fea3319c4fd5eb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d5fed6f61cf33e780586ad8e3234ec.png)
(4)如图3,平移直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fbd9b5e5d8be69373850d7faebdaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4bed106f4f0193d40c8d6fc74bac122.png)
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名校
【推荐2】在
中,
,
.
(1)如图1,若A、B两点的坐标分别是
,
,直接写出点C的坐标___________;
(2)如图2,
与y轴交于点D,取
的中点E,连
,
.求证:
.
(3)如图3,根据勾股定理:
.点P是射线
上A的左边一动点,连
,以
为斜边作等腰
,
,连
.当P运动时,
的面积是否发生改变?若不变,求其值;若发生改变,求其变化范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/f8e1acdf-fc07-4fab-96c9-e5237653dac8.png?resizew=573)
(1)如图1,若A、B两点的坐标分别是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd243fab0af865af67a2ab817e909cf5.png)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7600be3964a549269b4b9bfa34352181.png)
(3)如图3,根据勾股定理:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f32cad836d3cfc8cd94f0c393faa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789ab4186b0d0e38eb937030f9423862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4df15b68456739185b217226d6e21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db54223bb3fc2fe2497213a4d1f94827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
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【推荐3】在平面直角坐标系
中,直线
表示过
且垂直于
轴的直线,对某图形上的点
作如下变换:当
时,作点
关于直线
的对称点
,称为
变换;当
时,作点
关于
轴的对称点
,称为
变换,若某个图形上既有作
变换的点,又有作
变换的点,则称此图形为
双变换图形.
例如,已知
,
,如图
所示,当
时,点
应作
,变换后为
;点
应作
变换,变换后为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/0e000a73-5523-465f-9f1d-44f813d5d901.png?resizew=291)
(1)当
时,
已知点
,则
作相应变换后的坐标为 ,
若点
作相应变换后的点的坐标为
,则点
的坐标为 ,
(2)已知
,
,
若线段
是
双变换图形,则
的取值范围为 ,
已知点
在第四象限角平分线上,若
及其内部(点
除外)组成的图形是
双变换图形,且变换后所得图形记为
,直接写出所有图形
所覆盖的区域的面积为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/782171de3e89190f30167b4952354baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5a448220b37651247c6fc6ce25ae4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9662c06dbef4b614a3147e2521424481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c7ee528bee926b2cc4e0d422614bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d643ce3e4edf6d59f854e2b05284ca60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9662c06dbef4b614a3147e2521424481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d643ce3e4edf6d59f854e2b05284ca60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb654dbe976f077495105b21b7963d0f.png)
例如,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab47bf43b2c5d6395129b80ddfbb1b24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b728120615031c19e731b61e8f31a498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bb2cdefd122485729cc5ded8b2db0f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237022b498e2fcadbc97cf1b1998dedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32587fef9f6c5a36d5b4566e3d0a1ce1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/13/0e000a73-5523-465f-9f1d-44f813d5d901.png?resizew=291)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33cc0f9aa168e43cc5759f017d69b498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f9f734c03d04c21edefa08e0acc1fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75ee9fb7c3b399a05daaf33a790377c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5e0005baadf4e655c1b377487c8af8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb654dbe976f077495105b21b7963d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118fd6c0fd03f3994513a3bd584d05ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb654dbe976f077495105b21b7963d0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】在平面直角坐标系中,点
满足
.
(2)如图,将线段
沿x轴向右平移5个单位长度后得到线段
(点O与点B对应),在线段
上取点
,当
时,求D点的坐标;
(3)在(2)的条件下,x轴上是否存在点F使得
,若存在,求出F点坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8530bca5123179cfede86d03738495e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2490b931e639468dec2dcd367ec584d1.png)
(2)如图,将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dbd8408efb06329ffa9841a9e37edc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
(3)在(2)的条件下,x轴上是否存在点F使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbde17cb67dbce5f86b7136336c8c033.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】平面直角坐标系中,
,
,
,
均为整数,且满足
,点
在
轴负半轴上且
,将线段
平移到
,其中点
的对应点是点
.
,
,
的坐标;
(2)如图(1),若点
的坐标为
,点
为线段
上一点,且
的面积大于12,求
的取值范围;
(3)如图(2),若
与
轴的交点
在
点上方,点
为
轴上一动点,请直接写出
,
,
之间的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c240561788bc63f41a6703219fb66d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c09615735d331befd07664aa47cb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7934d880c5db9b3b12dfa40f2b999aa.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/18fad8fcd1df1aac6204ca77f53ac20a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.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/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图(1),若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a2a5e336b6bcba6354fd366c892dd06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b40e34f3f8e31cd6882fbceed3f72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fb6e81fee5674c3e26a65e58cc506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)如图(2),若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6882c80d191fc7d878f32499aad6f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fbf1667b21a273bf5dd007d65eeda7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed8c43341c982e729dcd6c3b178865f8.png)
您最近一年使用:0次
解答题-作图题
|
较难
(0.4)
【推荐1】如图,在平面直角坐标系中,RtΔABC的三个顶点分别是A(-3,2)、B(0,4)、C(0,2).
![](https://img.xkw.com/dksih/QBM/2022/3/20/2940502705602560/2953060082425856/STEM/3c902a82-7bf4-443c-b2f9-d5265e07e85a.png?resizew=223)
(1)将ΔABC以点C为中心旋转180°,画出旋转后对应的△A1B1C;
(2)平移△ABC,若点A的对应点A2的坐标为(1,-4),画出平移后对应的△A2B2C2;
(3)若将△A1B1C绕某一点旋转可以得到△A2B2C2,请直接写出旋转中心的坐标;
![](https://img.xkw.com/dksih/QBM/2022/3/20/2940502705602560/2953060082425856/STEM/3c902a82-7bf4-443c-b2f9-d5265e07e85a.png?resizew=223)
(1)将ΔABC以点C为中心旋转180°,画出旋转后对应的△A1B1C;
(2)平移△ABC,若点A的对应点A2的坐标为(1,-4),画出平移后对应的△A2B2C2;
(3)若将△A1B1C绕某一点旋转可以得到△A2B2C2,请直接写出旋转中心的坐标;
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
解题方法
【推荐2】在平面直角坐标系中,若要把一条直线平移到某个位置,经常可通过方式一:上(下)平移,或者方式二:左(右)平移的其中一种达到目的.现有直线
交
轴于点
,若把直线
向右平移8个单位长度得到直线
,直线
交
轴于点
.
(1)求直线
的解析式,并说明直线
若按方式一是如何平移到直线
的位置;
(2)若直线
上的一点
,点
按方式一平移后在直线
上的对应点记为点
.
①若点
在直线
上,且
,求点
的坐标(用含
的式子表示) ;
②当
时,试证明直线
必将四边形
的面积二等分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb7ff0e32dd56acc64ef5c2de05457e.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17481a732c34dd4d8037cb712027e749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f340bcbc3a4a77b89cdc73387534eb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/28/e0575152-1efa-4fc8-accc-06ac0690fa07.png?resizew=479)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐3】在平面直角坐标系中,已知点
,
,
,且a和b满足
.将线段
平移,使得点A、B分别与点C、D重合.
(2)如图1,若点P为直线AB上一点,将点P向右平移t个单位到点
,当点
在直线
上时,则t的值为______,若三角形
的面积是三角形
的面积的2倍,请求出点P的坐标;
(3)如图2,若点
为平面直角坐标系内一点,且三角形
的面积是三角形
的面积的2倍,请探究m,n的数量关系,并写出你的探究过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b9486ec9dca95979803bf91ca6c337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa6e5a12543f954be1a6057c6b2ed51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b5288ad85ce1ff24d0b4053a4869ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22b15db418a8b637d7d0656123a43fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)如图1,若点P为直线AB上一点,将点P向右平移t个单位到点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45f61c9294e6575aa3b873f60f904107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4a74014b74909e844114e99484ab85.png)
(3)如图2,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/005f97358b620c0e9f96aff7a18b2a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64484f96568410926e0c50898eba6e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c133b31ab3c50dc87d80879bbb0633.png)
您最近一年使用:0次