名校
1 . 如图所示,直线
交
轴正半轴于点
,交
轴正半轴于点
,且a、b满足
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/cefb3779-ba78-4678-b9af-a15d0a9246db.png?resizew=324)
(1)求A、B两点的坐标;
(2)如图1所示,
为
的中点,连接
,过点
作
于点
,过点
作
于点
,交
的延长线于点
,求点
的坐标;
(3)如图2所示,在(2)的条件下,若
交于点
,连接
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b9486ec9dca95979803bf91ca6c337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa6e5a12543f954be1a6057c6b2ed51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616d0143812f3c81d4f4a202f122422d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/cefb3779-ba78-4678-b9af-a15d0a9246db.png?resizew=324)
(1)求A、B两点的坐标;
(2)如图1所示,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/008eed073588d66685710546cc6f2f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/056f24546ef1e2c8ec7ed343ac397703.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(3)如图2所示,在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba75d6bcc84e493df519f832fe8de94.png)
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名校
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e76d97d9466bbcf0d3448aad52e18e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d175e8cff6a927c6212e823711265a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e76d97d9466bbcf0d3448aad52e18e.png)
您最近一年使用:0次
名校
3 . 已知
,
满足
,则
的值是( )
![](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/925b29997b6daff55d6951ab0fdef261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-15更新
|
338次组卷
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7卷引用:湖南省武冈市第二中学2020--2021学年九年级上学期入学考试数学试题
湖南省武冈市第二中学2020--2021学年九年级上学期入学考试数学试题江苏省南通市南通田家炳中学2022-2023学年八年级第二次月考数学试题(已下线)专题6.1 平方根与算术平方根(知识解读)-2022-2023学年七年级数学下册《同步考点解读·专题训练》(人教版)(已下线)第11讲 平方根与立方根(5种题型)-【暑假自学课】2023年新八年级数学暑假精品课(苏科版)山东省东营市广饶县英才中学2022-2023学年七年级上学期期末数学试题陕西省西安市新城区2022-2023学年七年级上学期期末数学试题(已下线)第01讲 平方根(知识解读+达标检测)-2023-2024学年七年级数学下册《知识解读·题型专练》(人教版)
名校
4 . 如图,在平面直角坐标系中,点
在
轴的左侧,点
在
轴的右侧,且
,
单位长度,且
、
满足
,点
从
出发以1个单位长度/秒的速度沿
轴向右运动,点
从
点出发以2个单位长度/秒的速度沿
轴向左运动,当
到达点
时点
也停止运动.
(1)直接写出点
、
的坐标:
________,
________
(2)点
为线段
的中点,
、
两点同时开始运动,设运动时间为
秒,求用含
的式子表示点
的坐标;
(3)在(2)的条件下,
点坐标为
,是否存在
,使满足
.若存在,求出
值;不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/accb43911c3a0e9d75f896ac8798a814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e5c5f788f3f67265c9729aa5eee43a.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/5f9b472158fcbe7c3467dc217c5d2de5.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/cb4f26e5-e9df-4724-8941-507c4107cbd7.png?resizew=533)
(1)直接写出点
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)在(2)的条件下,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b46a4c1c8cbd47e1e906f60151c2eeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb98d139ababf0f0c8f6573e5067324c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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5 . 已知,如图
,射线
分别与直线
,
相交于
,
两点,
的平分线与直线
相交于点
,射线
交
于点
,设
,
,且
.
,
;直线
与
的位置关系是 .
(2)如图
,若点
,
分别在射线
和线段
上,且
,试找出
与
之间存在的数量关系,并证明你的结论.
绕着端点
逆时针方向旋转(如图
),分别与
,
相交于点
和点
时,作
的角平分线
与射线
相交于点
,问在旋转的过程中
的值是否改变?若不变,请求出其值;若变化,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d5b88cdac96fd5aeb53283673fafe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c3fec00f352df8c5d9b9f8bb3672c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ca6d68113c1f6659de36ce10236c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28a5b018b14d40d792011b2da13b5b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d64d0dac186a32ca13d8d882c82c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3dbc8b821fb774b2869dadea079b691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e788a903eea2fd11781f0a9ce10f3000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](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/4b104090ea2ac34be58a76a4e0e95cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6083cf3b0eb712e8f1788559a3ca998a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1703c824a1b95043221acc63daabe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2273ae1ee99cec9c1304323bc9ebf75f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea62c5f9d14620eb7bb86c4c1f61ac0.png)
您最近一年使用:0次
2023-12-14更新
|
392次组卷
|
6卷引用:北京市西城区北京师范大学附属实验中学分校2020-2021学年七年级下学期期中数学试题
名校
6 . 下列叙述中正确的是( )
A.有理数与数轴上的点一一对应 | B.负数没有立方根 |
C.立方根等于它本身的数是是0和1 | D.![]() |
您最近一年使用:0次
名校
7 . 已知点
,点
,且满足
,若将线段
向右平移a个单位长度,其扫过的面积为21,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b4c6e5280d788645f84d0aeb796d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bd99d8863d42f44c777a8abd55b691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabe5c783dff5e515c45dafb89f99bd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
A.![]() | B.1 | C.11 | D.![]() |
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名校
8 . 如图,在平面直角坐标系中,点A、B在坐标轴上,
,
,且满足
,将B点向上平移3个单位长度,再向右平移4个单位长度得到点C.
(1)求点C的坐标.
(2)若点D为x轴上一点,且满足
,求点D的坐标.
(3)平面内有两点
,
,点M、N不在直线
上,点P为直线BC上一点,且
,求m、n之间满足的数量关系.
![](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/d1ec270587b75dbd8e2ff6e848fcc4cd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/26/f85cf1c5-a8d9-4536-a876-d17515504343.png?resizew=221)
(1)求点C的坐标.
(2)若点D为x轴上一点,且满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d243aed6e0aad0ae3164838206d2d4ab.png)
(3)平面内有两点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aedfc36a60d35165ec9cf42102a2cff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f6997f07dddfa10bcc76d1786fb932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb78ac5497703035d46b2e6c1bed511.png)
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9 . 解答题.
(1)一个正数a的平方根是
与
,则a是多少?
(2)已知a、b满足
,求
的平方根
(1)一个正数a的平方根是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a58c993df546294998c4ed8619d2466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b006e43b900a09bbb6f043c8bbcfd021.png)
(2)已知a、b满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52af8b6514181d1651f44ed00afa041e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2024fba7becf2d24994d149c51fcdb23.png)
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2023-10-22更新
|
304次组卷
|
4卷引用:湖北省武汉市东湖高新区光谷实验中学2020-2021学年七年级下学期月考数学试题
湖北省武汉市东湖高新区光谷实验中学2020-2021学年七年级下学期月考数学试题河南省南阳市淅川县第一高级中学附属学校2023-2024学年八年级上学期10月月考数学试题湖北省襄阳市襄州区2023-2024学年七年级下学期月考数学试题(已下线)专题06立方根(四大题型)-【好题汇编】备战2023-2024学年七年级数学下学期期中真题分类汇编(人教版,湖北专用)
10 . 若直角三角形的两条边长为a、b,且满足
,则该直角三角形的斜边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59876b4bbb04d49bda2ae8eb80f7d611.png)
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