2024年河南省许昌市中考二模数学试题
河南
九年级
二模
2024-05-24
312次
整体难度:
容易
考查范围:
数与式、图形的性质、统计与概率、函数、图形的变化、方程与不等式
一、单选题 添加题型下试题
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用科学记数法表示绝对值大于1的数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547b726f20deafcff143f5800bba01f8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 同位角相等两直线平行解读
年龄/岁 | 27 | 29 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 45 |
人数 | 1 | 3 | 5 | 4 | 4 | 4 | 6 | 5 | 9 | 9 | 7 | 7 | 1 |
A.9 | B.37 | C.45 | D.37,38 |
A.发 | B.现 | C.之 | D.美 |
【知识点】 正方体相对两面上的字解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023ab3a7eb0f59993c7608576e47c0f0.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据一次函数的定义求参数解读 根据一次函数增减性求参数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0073c1bb2dd65fbe13fe4de579db6a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ba89e83329983cfadbfcdda151aaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82bbe1a38d426af545e65b37b6913ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28b7171f7d47669ab587f98862e54da.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232cf4716c23a4543edfdb3781a9ac1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca7e1a727ba332984ad857b3d25344d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
A.7 | B.8 | C.9 | D.10 |
【知识点】 y=ax²+bx+c的图象与性质解读
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18670a76edf5a4c32a34021a4ae3feef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/3/81a309d9-636b-464c-a5f8-82194d144ecb.png?resizew=307)
【知识点】 利用平行四边形的性质求解解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ea660b68dc20c57a9a3a53ecba228b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68806799395fdfd6408756b39636d92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5b9f2768c9e68f633b33d6929f5590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38976580545a0405e4847dc13b4d221f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ea660b68dc20c57a9a3a53ecba228b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68806799395fdfd6408756b39636d92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5b9f2768c9e68f633b33d6929f5590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38976580545a0405e4847dc13b4d221f.png)
【知识点】 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311c988c5f2c26f9eb7de8bad7cc46eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52705567101a48893de582656ef41527.png)
【知识点】 反比例函数与几何综合解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a77343ecde1c2665df291761b6563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12755f4e369733db94d9e153648e969a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e3b9a20c31e397ae1dc8a44baf7de91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c8561afa0f1454ea382a625d000a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d79d16636da637444e976d111bcec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913d2a71d4012f2e38a2fc3a1d33d389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
三、解答题 添加题型下试题
已知:直线l及直线l外一点P.
作法:如图,
①在直线l上取一点A,以点P为圆心,PA长为半径画弧,与直线l交于另一点B;
②分别以A,B为圆心,PA长为半径在直线l下方画弧,两弧交于点Q;
③作直线PQ.
所以直线PQ为所求作的直线.
根据小明设计的尺规作图过程,
(1)使用直尺和圆规,补全图形;(保留作图痕迹)
(2)完成下面的证明.
证明:连接PA,PB,QA,QB.
∵PA=PB=QA=QB,
∴四边形APBQ是菱形 (填推理的依据).
∴PQ⊥AB (填推理的依据).
即PQ⊥l.
续航里程(分) | 百公里加速(分) | 智能化水平(分) | |
甲款汽车 | 82 | 90 | 100 |
乙款汽车 | 80 | 100 | 90 |
a.网友评价得分(满分10分):
甲:4 5 5 6 6 7 8 9 10 10
乙:4 5 6 7 7 7 8 8 9 9
b.网友评价得分统计表:
平均数 | 中位数 | 方差 | |
甲款汽车 | 7 | m | ![]() |
乙款汽车 | 7 | 7 | ![]() |
(1)表格中的 m = ;
(2)由表中成绩和扇形图所示权重已算得甲款车的总评成绩为89分,请计算乙款车的总评成绩;
(3)综合考虑甲、乙两款汽车的综合评分以及网友评价,你认为小华的爸爸应选择购买哪款汽车?请说明理由.
第1个等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02013017c2f36b167cd475ef577895d.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf6faef3d957b546184b839798f9fddb.png)
第3个等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd6b0850fc916fa4d3a55901ba54aad.png)
第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517df46fe74c76e896d5a4cd75a83281.png)
第5个等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81398a86b7ba864fafb0a3e34499e721.png)
······
按照以上规律.解决下列问题:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
【知识点】 数字类规律探索解读 分式加减乘除混合运算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203c1495547616b4cd1801df073418bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
(2)求乙种水果销售额y(单位:元)与销售量 x(单位:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24f7c4a8558eff6427d22b6c0c855721.png)
(3)当两种水果销售额相同,且销售额大于0时,请直接写出销售这两种水果的利润和.
【知识点】 求一次函数解析式解读 其他问题(一次函数的实际应用)
22. 如图,题目中的黑色部分是被墨水污染了无法辨认的文字,导致题目缺少一个条件而无法解答,经查询结果发现,抛物线L的函数解析式为 已知抛物线L:
经过点
,
,
求抛物线L的函数解析式.
(2)将抛物线L向上平移m(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0a5216b1c8850c8eac70c4d960f369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/172722d11ea7e01411fa06dbb82f46ee.png)
(3)如图,点 N为抛物线L的顶点坐标,若平移抛物线L的图象,使其顶点在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2644adfd183c79d186da8603ff49fef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f49a1e40b4c6cecfc97feb2447be10a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ab61b4edf4ea5c8bac16bc3db3a410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ab61b4edf4ea5c8bac16bc3db3a410.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/5/24/e0a7e739-e98a-4d83-99ba-65bcadc521bc.png?resizew=313)
(1)【猜想验证】如图 1,当点 P 与点 O 重合时,线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6967ebd791092c62b4ef97924d91883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9303dc5395fe96b7ad60c24d0b120df0.png)
(2)【探究证明】如图2,当点 P是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d9d667c7f51fdf2b03cc0bb1415cef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af210cbe59bd7e33441981c43e226bab.png)
(3)【拓展延伸】若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7989b4ee72a1f5c24c963a028a4254ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d116a9da08e92ba1076b5fed50149b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e054d5a02e2c9fee1ebd8aa2a267576c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/768237e6e8f4b91baa754a6664122c6e.png)
试卷分析
试卷题型(共 23题)
试卷难度
知识点分析
细目表分析 导出
题号 | 难度系数 | 详细知识点 | 备注 |
一、单选题 | |||
1 | 0.94 | 相反数的定义 | |
2 | 0.85 | 用科学记数法表示绝对值大于1的数 | |
3 | 0.85 | 同位角相等两直线平行 | |
4 | 0.85 | 求众数 | |
5 | 0.85 | 正方体相对两面上的字 | |
6 | 0.85 | 有理数的乘方运算 | |
7 | 0.85 | 根据一次函数的定义求参数 根据一次函数增减性求参数 | |
8 | 0.65 | 全等的性质和SAS综合(SAS) 等边三角形的判定和性质 根据旋转的性质求解 | |
9 | 0.65 | 坐标与图形 用勾股定理解三角形 利用垂径定理求值 已知直线和圆的位置关系求圆心到直线的距离 | |
10 | 0.65 | y=ax²+bx+c的图象与性质 | |
二、填空题 | |||
11 | 0.85 | 平方差公式分解因式 | |
12 | 0.85 | 利用平行四边形的性质求解 | |
13 | 0.65 | 列表法或树状图法求概率 | |
14 | 0.65 | 反比例函数与几何综合 | |
15 | 0.65 | 切线的性质定理 求圆心角 解直角三角形的相关计算 | |
三、解答题 | |||
16 | 0.85 | 求一个数的立方根 实数的混合运算 负整数指数幂 求不等式组的解集 | 计算题 |
17 | 0.65 | 证明四边形是菱形 | 作图题 |
18 | 0.65 | 求加权平均数 求中位数 运用方差做决策 | 应用题 |
19 | 0.65 | 数字类规律探索 分式加减乘除混合运算 | 证明题 |
20 | 0.65 | 相似三角形应用举例 | 问答题 |
21 | 0.65 | 求一次函数解析式 其他问题(一次函数的实际应用) | 应用题 |
22 | 0.4 | 待定系数法求二次函数解析式 二次函数图象的平移 面积问题(二次函数综合) | 问答题 |
23 | 0.4 | 全等三角形综合问题 根据矩形的性质与判定求线段长 解直角三角形的相关计算 | 证明题 |