如图1,在平面直角坐标系中,点A,
的坐标分别为
,
,且
,
满足
,现同时将点A,
分别向左平移2个单位,再向上平移2个单位,分别得到点A,
的对应点
,
,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/a9762dfc-e38a-4aca-9735-8d5aa939ca46.png?resizew=589)
(1)请直接写出A,
两点的坐标.
(2)如图2,点
是线段
上的一个动点,点
是线段
的中点,连接
,
,当点
在线段
上移动时(不与
,
重合),请找出
,
,
的数量关系,并证明你的结论.
(3)在坐标轴上是否存在点
,使三角形
的面积与三角形
的面积相等?若存在,直接写出点
的坐标;若不存在,试说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3160fc73f2a90ae4a1a97351ab2673b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3dd1ffa1d71ff9b4165ab7569a4ded.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/242a6099518d87cfc42997f1b0189136.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/20/a9762dfc-e38a-4aca-9735-8d5aa939ca46.png?resizew=589)
(1)请直接写出A,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)如图2,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef49a3ca580a144cc65a609c167facc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/72ddbaef2518ddf8b7a1e1e97faf74f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c3509f3ade93b697d3ccd055d345e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe03153118b0d29d0ab915e5dbe601e.png)
(3)在坐标轴上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2246c0e92e8cc344f636ea8f8f9037e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4eb7e9ad5486cf1c5e506b20c5469e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
17-18七年级下·江西宜春·期末 查看更多[7]
【市级联考】江西省宜春市2017-2018学年七年级下期末数学试题广东省江门市第二中学2020-2021学年七年级下学期第一次考试数学试题重庆市万盛经济技术开发区溱州中学2021-2022学年七年级下学期期中数学试题四川省德阳市旌阳区德阳中学校2020-2021学年七年级下学期期中数学试题重庆市江津区部分学校2022-2023学年七年级下学期5月月考数学试题(已下线)专题3.25 平面直角坐标系背景下的存在性问题(分层练习)(提升练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题5.28 平面直角坐标系背景下存在性问题(分层练习)(提升练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)
更新时间:2023-01-17 12:29:58
|
相似题推荐
解答题-问答题
|
适中
(0.65)
【推荐1】已知点
,解答下列各题:
(1)若点
在
轴上.求出点
的坐标;
(2)若点
的坐标为
,直线
轴,求出点
的坐标;
(3)若点
在第二象限,且它到
轴、
轴的距离相等,求出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ade4472b8cc7909760215d0f56f083.png)
(1)若点
![](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)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb189381103ad1e758fd8cfedb6355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d928238e1f1677f5f20ed62da87eb04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)若点
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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,在平面直角坐标系中,
三顶点坐标分别为
,
,
.
(1)在平面直角坐标系内画出
;
(2)以点
为位似中心,在点
的下方画出
,使
与
相似比为
;
(3)直接写出点
,
坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ebfee8d3fd5d0c4d3b20012e232f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d073c1fafc7fb931521c0f81af2eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/485f71d039904909dd9277f49e303dd6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/20/c2b78d35-bcd8-4518-a876-48da25d6c736.png?resizew=236)
(1)在平面直角坐标系内画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)以点
![](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/7988923407b9abb78ef8ab45829678fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7988923407b9abb78ef8ab45829678fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe103f073845122c66f22dcb14b711f.png)
(3)直接写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】求证:两平行线被第三要直线所截,同旁内角的平分线互相垂直.(要求:证明过程注明理由)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
【推荐2】端午节“赛龙舟,吃粽子”是中华民族的传统习俗,小青将图1中的参与龙舟比赛的某条龙舟的侧面示意图简化成图2,若
,
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c17995246894788cfef48b4f62e9de4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747ba9f94408771f540204607a4494b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55a3d4a20b32240cccc71b6a05b9662.png)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】在
中,
,点
是
所在直线上一个动点,过
点作
、
,垂足分别为
、![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)如图1,若点
是
的中点时,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374e2198b495b86b0f8308d28035a3db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/20730006-15a0-4252-808f-874a18f5be01.png?resizew=144)
(2)如图2,
为腰
上的高,当点
在边
上时,试探究
、
、
之间的关系,并说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/1b0fe2d5-9aac-4587-a079-19cfdf378dc7.png?resizew=150)
(3)如图3,当点
运动到
的延长线上时,若
,
,求
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545e18836bc7fee22f8f813a6f525d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bc56fdf70e65bd88980c64af96b83da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)如图1,若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374e2198b495b86b0f8308d28035a3db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/20730006-15a0-4252-808f-874a18f5be01.png?resizew=144)
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4eccda4edcee29a5f15609e85106df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4eccda4edcee29a5f15609e85106df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365822bd3945e6a3e871ca979c84cc12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a3137705cb4170baafa66ff46eefb7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/1b0fe2d5-9aac-4587-a079-19cfdf378dc7.png?resizew=150)
(3)如图3,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89b5aa235c48e7bf8dffc4706a3db239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/cecc64a8-0d1c-4e3c-8111-2e304891b585.png?resizew=186)
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内,
、
分别在
轴、
轴正半轴上,且
,
点的横坐标为
;
时,求
点坐标;
(2)将线段
左右平移,使得点
落在坐标原点
,此时,点
落在点
的位置.
请直接写出平移的方向和距离以及点
的坐标;(用含
的代数式表示)
轴上是否存在点
,使得
面积是
面积的两倍,如果存在,直接写出点
的坐标(用含
的代数式表示),如果不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/4e93d62493ecae40491cbf061efafc53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ec1e326713ddcd6dd66a24a809bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaf7b65f3929f3e08b8800283baee91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144cc2e27e23031f8604fb2cb3613ac6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9556890dc95c0d14d87b9a35df6b83b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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