已知实数
,
满足
,求
的平方根.
![](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/fe47b02856087fab11d6aeaf2d0a93c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b439c25613435e3e504b8b43e2b67ccf.png)
22-23八年级上·辽宁辽阳·期中 查看更多[6]
辽宁省辽阳市第二中学教育集团2022-2023学年八年级上学期期中考试数学试题辽宁省本溪市2022-2023学年八年级上学期期中数学试题(已下线)专题02-1平方根,算术平方根基础卷(已下线)2.3 解二元一次方程组(第1课时)(分层练习)-2022-2023学年七年级数学下册同步精品课堂(浙教版)辽宁省丹东市凤城市2023-2024学年八年级上学期期中数学试题山东省临沂市沂水县第四实验中学(第六实验小学)2023-2024学年七年级下学期3月月考数学试题
更新时间:2023-11-23 14:37:24
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【推荐1】在数轴上
点表示数
,
点表示数
,
表示
点和
点之间的距离,且
,
满足
,
是数轴上的一个动点.
表示原点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/a51ae544-1cdc-4f4f-b202-6851b77f0eb8.png?resizew=253)
(1)求
,
的值,并求出
,
之间的距离
;
(2)已知线段
上有点
且
,当数轴上有点
满足
时,求
点对应的数.
(3)动点
从原点开始第一次向左移动
个单位长度,第二次向右移动
个单位长度,第三次向左移动
个单位长度,第四次向右移动
个单位长度,… 点
能移动到与
或
重合的位置吗?若都不能,请直接回答,若能,请求出第几次移动与哪一个点重合?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f222ae4d3374df5b785561f709f7dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/30/a51ae544-1cdc-4f4f-b202-6851b77f0eb8.png?resizew=253)
(1)求
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)已知线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ae9bc1a579ab88300b36020bf049c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.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/7f9e8449aad35c5d840a3395ea86df6d.png)
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【推荐2】如图,一只蚂蚁从点A沿数轴向右爬了2个单位长度到达点B,点A表示
,设点B所表示的数为m.
(1)实数m的值是______.
(2)求
的值;
(3)在数轴上还有C、D两点分别表示实数c和d,且有
与
互为相反数,求
的平方根和立方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9db9373e74ecf5d63ad98afe66aa4ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/5bb1b2d5-408f-485d-aea0-659f547849c4.png?resizew=161)
(1)实数m的值是______.
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0f3ca161adb5c025630f3edbae4dc2f.png)
(3)在数轴上还有C、D两点分别表示实数c和d,且有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3468ebaaf349ae508c5de3b9c71a1598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc735318e5a68f0c5ed6c0dbce92423.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72453a4d0745a1cc802dfc69f63cecea.png)
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【推荐1】已知
的算术平方根是2,
的立方根是2,
是
的整数部分.
(1)求
的值;
(2)若
是
的小数部分,求
的平方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2efc71678358d47d9dfd5910564caac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b53af5d3cdd05008b33bf8fb203402b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde029ac94c601540583c64bc48c17bb.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cde029ac94c601540583c64bc48c17bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c046cab90ee1ea66ffd99f86546fa73d.png)
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【推荐2】已知:
和
是
的两个不同的平方根,
是
的立方根.
(1)求
,
,
的值;
(2)求
的平方根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563adee328a2021a7eb0e803738f0cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f67ba60a8754a93f579e191f381095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c10cef5d7e9a1eb953b28fbf565cd54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)求
![](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/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2802654370d2942bbaef8acf4da913a8.png)
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适中
(0.65)
【推荐1】若关于
,
的方程组
与方程组
的解相同.
(1)求两个方程组的相同解;
(2)求
的值.
![](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/91d4a6f560fa19600816169b806b4d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9e7096143e6325f856e2705131f6e8.png)
(1)求两个方程组的相同解;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da7db324d55fbe66e250f7d8c39f784.png)
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