安徽淮南市寿县经开区 大联考2026-2027学年八年级上学期11月期中数学试题

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八年级数学

注意事项:

1.你拿到的试卷满分为150分,考试时间为120分钟.

2.本试卷包括“试题卷”和“答题卷”两部分.“试题卷”共4页,“答题卷”共6页.

3.请务必在“答题卷”上答题,在“试题卷”上答题是无效的.

4.考试结束后,请将“试题卷”和“答题卷”一并交回.

一、选择题(本大题共10小题,每小题4分,满分40分)

每小题都给出A、B、C、D四个选项,其中只有一个是符合题目要求的.

1.下列函数中,自变量的取值范围为的是

A.  B.

C.  D.

2.点在第二象限,距离轴7个单位长度,距离轴2个单位长度,则点的坐标为

A.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  B.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  C.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  D.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

3.若三角形的三边长分别为,则的值可以是

A.2  B.5  C.7  D.9

4.将一次函数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向下平移3个单位长度后得到,则该一次函数的表达式是A.  B.  C.                            D.

5.在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中,,则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为

A.直角三角形  B.钝角三角形  C.等腰直角三角形  D.锐角三角形

6.对于一次函数,下列结论错误的是

A.它的图象与轴交于点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  B.随的增大而增大

C.它的图象经过第一、二、三象限  D.它的图象与直线平行

7.如图所示为某型号无人机的飞行高度(单位:米)与操控无人机的时间(单位:分钟)之间的关系图,已知无人机匀速上升或下降.根据图象提供的信息,下列说法不正确的是

image

A.在上升或下降过程中,无人机的速度均为25米/分钟

B.无人机在75米高的上空停留的时间是5分钟

C.无人机在50米高的上空停留的时间是5分钟

D.第14分钟时无人机的飞行高度是25米

8.直线和直线(均不为0).在同一平面直角坐标系中的图象可能是page number 0

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  C:\Users\0\Documents\Tencent Files\804397265\Image\C2C\Image3\$_Z{R_2L8%1DU0RC6ZU7{4C.png

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A.image  B.image

C.image  D.

9.如图,在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中,点和分别是边上一点,连接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的平分线交于点是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的外角.若,则三者间的数量关系是

image

A.  B.  C.  D.

10.如图,在平面直角坐标系中,边长为3的正方形在第一象限内,eqWmf183GmgAAAAAAAAAFAAIBCQAAAAAQWQEACQAAA3EBAAACAJgAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAIAAgAFCwAAACYGDwAMAE1hdGhUeXBlAABQABIAAAAmBg8AGgD/////AAAQAAAAwP///8b////ABAAAxgEAAAUAAAAJAgAAAAIFAAAAFAJgAaQCHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAPDSVQBhbAx2QEASdgAAAAAEAAAALQEAAAoAAAAyCgAAAAACAAAALy/AAAADBQAAABQCYAFYABwAAAD7AoD+AAAAAAAAkAEBAAAAAAIAEFRpbWVzIE5ldyBSb21hbgDw0lUAYWwMdkBAEnYAAAAABAAAAC0BAQAEAAAA8AEAAAwAAAAyCgAAAAADAAAAQUR5AOoAygIAA5gAAAAmBg8AJgFBcHBzTUZDQwEA/wAAAP8AAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINBAAIAg0QAAgCCLwACAIIvAAIAg3kAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhAABwAAAAAAvAIAAACGAQICIlN5c3RlbQB2JwGKAwAACgAGAAAAJwGKAwAAAADQ3FUABAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==轴,点的坐标为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.若一次函数(是常数,)的图象与正方形没有交点,则的取值范围是

image

A.且或  B.且或

C.且或  D.且或

二、填空题(本大题共4小题,每小题5分,满分20分)

11.写出命题“如果,那么”的逆命题:___________________________________。

12.如图,是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的中线,点分别为的中点.若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的面积为,则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的面积是___________.page number 1

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image

13.如图,在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中,,,把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沿折叠,点与上的点重合,则___________°.

image

14.已知一次函数(是常数且).

(1)若该一次函数是正比例函数,则___________;

(2)当时,该一次函数有最大值8,则的值为___________.

三、(本大题共2小题,每小题8分,满分16分)

15.在平面直角坐标系中,点eqWmf183GmgAAAAAAAEAL4AEACQAAAACxVAEACQAAA0oCAAACAKsAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALgAUALCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///6b///8ACwAAhgEAAAUAAAAJAgAAAAIFAAAAFAKAAW4FHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAPDSVQBhbAx2QEASdgAAAAAEAAAALQEAAAwAAAAyCgAAAAADAAAAMzI0ABQBNgMAAwUAAAAUAoAB9gEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdlOhDnZAAAAA8NJVAGFsDHZAQBJ2AAAAAAQAAAAtAQEABAAAAPABAAAMAAAAMgoAAAAAAwAAAC0rKwBqAj4EAAMFAAAAFAKAAUYAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAPDSVQBhbAx2QEASdgAAAAAEAAAALQEAAAQAAADwAQEADAAAADIKAAAAAAMAAABQbW0uxAI+BAADBQAAABQCgAFeABwAAAD7AoD+AAAAAAAAkAEAAACGAAIAAMvOzOUAQBJ2U6EOdkAAAADw0lUAYWwMdkBAEnYAAAAABAAAAC0BAQAEAAAA8AEAAAoAAAAyCgAAAAACAAAAo6igBQAAHAAAAPsCgP4AAAAAAACQAQAAAIYAAgAAy87M5QBAEnZToQ52QAAAAPDSVQBhbAx2QEASdgAAAAAEAAAALQEAAAQAAADwAQEACgAAADIKAAAAAAIAAACjrEoEAAAcAAAA+wKA/gAAAAAAAJABAAAAhgACAADLzszlAEASdlOhDnZAAAAA8NJVAGFsDHZAQBJ2AAAAAAQAAAAtAQEABAAAAPABAAAKAAAAMgoAAAAAAgAAAKOpAAMAAKsAAAAmBg8ATAFBcHBzTUZDQwEAJQEAACUBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINQAAIAjAj/AgSGEiItAgCDbQACBIYrACsCAIgzAAIAjAz/AgCIMgACAINtAAIEhisAKwIAiDQAAgCMCf8AAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCEAAHAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHYnAYoDAAAKAAYAAAAnAYoDAAAAANDcVQAEAAAALQEAAAQAAADwAQEAAwAAAAAA.

(1)若点在轴上,求的值;

(2)若点在第一象限,且点到轴的距离等于2,求的值.

16.如图,,点在上,点在上,与相交于点.求的度数.

image

四、(本大题共2小题,每小题8分,满分16分)

17.如图,在平面直角坐标系中,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的顶点都在网格点上,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.

image

(1)画出将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先向左平移6个单位长度,再向下平移1个单位长度得到的;page number 2

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