山东济南市济南高新技术产业开发区2026-2027学年上学期八年级10月学情自测数学试题

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济南市高新区八年级月考数学试题

2026.10

一.选择题(共10小题,满分40分,每小题4分)

1.(4分)下列各式中,是最简二次根式的是(     )

A. B. C. D.

2.(4分)在,,0,,,,,0.5757757775…(相邻两个5之间7的个数逐次加1)中,无理数有(     )

A.1个 B.2个 C.3个 D.4个

3.(4分)若点在y轴上,则m的值为(     )

A.2 B.0 C.1 D.

4.(4分)下列计算结果正确的是(     )

A. B. C. D.

5.(4分)如图是济南市地图简图的一部分,图中“济南西站”、“雪野湖”所在区域分别是(     )

 

D

E

F

4

 

遥墙国际机场

 

5

济南西站

 

野生动物世界

6

济南国际园博园

七星台风景区

雪野湖

A., B., C., D.,

6.(4分)点M在第二象限,距离x轴5个单位长度,距离y轴3个单位长度,则M点的坐标为(     )

A. B. C. D.

7.(4分)下列函数图象中,能表示函数图象的是(     )

A. B.page number 0

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C. D.

8.(4分)实数a,b在数轴上对应点的位置如图,则化简的结果是(     )

A.b B. C. D.

9.(4分)在平面直角坐标系中,点A的坐标为,过点A作轴于点B,连接,作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关于直线的对称图形,得到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,交x轴于点F,则点F的坐标为(     )

A. B. C. D.

10.(4分)如图所示,,,,.将折线绕点顺时针旋转得出新的折线,再将新的折线绕点顺时针旋转,…,以此类推,得到一个大的折线,现有一动点P从原点O出发,沿着折线以每秒1个单位的速度移动,设运动时间为t.当时,点P的坐标为(     )page number 1

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A. B. C. D.

二.填空题(共5小题,满分20分,每小题4分)

11.(4分)4的算术平方根是________.

12.(4分)若,则________.

13.(4分)如图,在中国象棋棋盘上,如果棋子“炮”的坐标是,棋子“帅”的坐标是,则棋子“马”的坐标是________.

14.(4分)如果二次根式有意义,则x的取值范围是______________________.

15.(4分)如图,将一长方形纸片放在平面直角坐标系中,,,,动点P以每秒1个单位长度的速度从点A出发沿向点O运动,同时动点Q从点O出发沿向点C运动,运动3秒后,点P和点Q同时停止运动.此时再将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沿翻折,点O恰好落在边上的点D处.下列说法:①;②点D的坐标为;③动点Q的运动速度为每秒2个单位长度;④page number 2

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