2024年河南省平顶山市部分学校中考数学二模试题
河南
九年级
二模
2024-05-27
216次
整体难度:
容易
考查范围:
数与式、图形的变化、图形的性质、函数、统计与概率、方程与不等式
一、单选题 添加题型下试题
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用数轴上的点表示有理数解读 求一个数的绝对值解读
A. ![]() | B. ![]() | C. ![]() | D. ![]() |
【知识点】 判断简单几何体的三视图解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa82246582ca2886748089a90835fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbbbe70a848ac0541605ca3d94a3a738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 用科学记数法表示绝对值小于1的数解读
A.![]() | B.![]() |
C.分解因式:![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ecdb698bd9d00d684430e911e4d99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb1022eaa3ec2651716f4893caeb9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26ecdb698bd9d00d684430e911e4d99d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() | B.![]() | C.![]() | D.1 |
【知识点】 利用菱形的性质求面积解读 根据正方形的性质求面积解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1141b96f1534271036ee4849f8be1de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/605f2976297a0deaa1602ef09d6a5afa.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 两直线平行同旁内角互补解读 三角形的外角的定义及性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53384df6ca6affc12ac40b2111df0f5.png)
A.4个 | B.3个 | C.2个 | D.1个 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e063f09f965c60f7d856caa082f2229.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b20a7e6f868962c97fc6d63e53199cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfc2771aa0d5b97d2297f8a26a6f6b1.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11b8627441b0c0e68d64b798b7170d0c.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
【知识点】 已知反比例函数的增减性求参数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e2d3ea3bdfca7111b823bb1c381a0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c62773eb67b2d681bb452731900394b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d193af18edcc5620ef2219184961c812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed7016dc135f6219ddebbc6b4585d9a.png)
A.![]() | B.![]() | C.![]() | D.3 |
二、填空题 添加题型下试题
【知识点】 轴对称图形的识别解读 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62e8aadaadebf1454fde21a390ebdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bf3119c19f5145624d22c24761b9c30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da971671378e8d40e15f5ef0b6e41467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
【知识点】 利用垂径定理求解其他问题 三角函数综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5b352fa3e781df195ceccca90c3932a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a37e8519ea115c1777d031d9963583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a60503a191b09e42bf4e13118a72e4df.png)
【知识点】 反比例函数与几何综合解读 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ebb33adb2310a6e03918761e68204a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/963e18a44d9e95c1ba2f1188115876d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3557809c066e68395b614535a7675e76.png)
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)在图2中,作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2930578bccee950983d455b3c066435.png)
(3)在图3中,找出格点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
【知识点】 三角形内角和定理的应用解读 根据等边对等角证明解读
a.10台甲型号扫地机器人除尘指数记录数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f17a51ccc2a06398263756096b8c50df.png)
10台乙型号扫地机器人除尘指数记录数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9b845ccde4ac29803aee69896e6e80.png)
b.甲、乙两种型号扫地机器人除尘指数的折线统计图:
平均数 | 中位数 | 众数 | 方差 | |
甲 | 7.97 | m | 8 | |
乙 | 7.6 | 7.4 | n |
(1)表格中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef3ebd68a5d7ae49db6d5dee9ec11b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/618202e9960c59b604a5c2cbc510bcb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
(3)综合上表中的统计量,你认为哪种型号的扫地机器人的除尘效果较好?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71f6af4093ed9fe5f4f06b35ec0d695a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46391cc34c62ec1d820e229f5eb19452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65674bacf0af18964dff251998601c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acf48057b7b7712c738774aaa835c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f6ecb37ce24f932015a21cd1711084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5125f17b4e2eab992b9a17dea1e86c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b685c556cc423e4833c1dc671a134cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a7afc6e67a875ed2eb889e950a77715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f7530034abc91d11bc847602eaf5bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba505969331b28f0e2d3047d49988914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94c2899908b10af71f050065e606f2b2.png)
(1)求甲旅行社一次最多能接待的人数;
(2)该中学为节约开支,要控制人均费用不超过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f39009b779f9f6748a738ce95c2543bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d1a367c1d9ce68ed47581c57655c49.png)
(2)请你添加一个条件 ,使四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75767b8b80cc1461a1addf2d308883c.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
优化洒水车为公路两侧绿化带浇水效率 | ||
信息1 | 如图1,洒水车沿着平行于公路路牙方向行驶,喷水口H离地竖直高度![]() ![]() | |
信息2 | 如图2,可以把洒水车喷出水的内、外边缘抽象为平面直角坐标系中两条抛物线的部分图象;把绿化带横截面抽象为矩形![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
问题解决 | ||
任务1 | 确定浇灌方式 | (1)求外边缘抛物线![]() ![]() |
(2)![]() | ||
任务2 | 提倡有效浇灌 | (3)要使洒水车行驶时喷出的水能浇灌到整个绿化带,求![]() |
【知识点】 喷水问题(实际问题与二次函数)解读
如图1,在平面直角坐标系中,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eccfc5c7359cc51c9793c52a4dc4935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b19cad0a7a57c284cf5412ed834aa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)探究迁移
如图2,正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a966dd540586db85022fc116da49a2e8.png)
①请判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff860b3ca85a45ad6e2b3f8c5c25bdb.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7314a3d56862aaff48a44e455cded5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be56ba2c0be4776fa76fde419d707d0.png)
(3)拓展应用
在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6d04a6c5272dbcfc85fb0e43ddb1e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4a949c00526fddf435423272cf10f25.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 | 0.85 | 用数轴上的点表示有理数 求一个数的绝对值 | |
2 | 0.94 | 判断简单几何体的三视图 | |
3 | 0.85 | 用科学记数法表示绝对值小于1的数 | |
4 | 0.85 | 求一个数的算术平方根 积的乘方运算 计算单项式乘单项式 综合提公因式和公式法分解因式 | |
5 | 0.85 | 利用菱形的性质求面积 根据正方形的性质求面积 | |
6 | 0.85 | 两直线平行同旁内角互补 三角形的外角的定义及性质 | |
7 | 0.65 | 二次函数图象的平移 | |
8 | 0.65 | 三角形内角和定理的应用 等边对等角 圆周角定理 同弧或等弧所对的圆周角相等 | |
9 | 0.65 | 已知反比例函数的增减性求参数 | |
10 | 0.4 | 利用菱形的性质求线段长 相似三角形的判定与性质综合 解直角三角形的相关计算 | |
二、填空题 | |||
11 | 0.85 | 实数的混合运算 负整数指数幂 二次根式的混合运算 特殊角三角函数值的混合运算 | |
12 | 0.85 | 轴对称图形的识别 列表法或树状图法求概率 | |
13 | 0.85 | 利用垂径定理求解其他问题 三角函数综合 | |
14 | 0.65 | 反比例函数与几何综合 相似三角形的判定与性质综合 | |
15 | 0.65 | 用勾股定理解三角形 勾股定理与折叠问题 矩形与折叠问题 | |
三、解答题 | |||
16 | 0.65 | 根据三角形中线求面积 画旋转图形 画已知图形关于某点对称的图形 格点作图题 | 作图题 |
17 | 0.85 | 三角形内角和定理的应用 根据等边对等角证明 | 证明题 |
18 | 0.85 | 求中位数 求众数 根据方差判断稳定性 | 应用题 |
19 | 0.65 | 求一次函数解析式 求反比例函数解析式 面积问题(二次函数综合) 一次函数与反比例函数的交点问题 | 问答题 |
20 | 0.65 | 其他问题(一元一次方程的应用) 用一元一次不等式解决实际问题 | 应用题 |
21 | 0.4 | 等边三角形的判定和性质 证明四边形是菱形 切线的性质定理 圆与三角形的综合(圆的综合问题) | 证明题 |
22 | 0.65 | 喷水问题(实际问题与二次函数) | 应用题 |
23 | 0.4 | 判断一次函数的图象 判断三边能否构成直角三角形 根据成轴对称图形的特征进行求解 根据中心对称的性质求面积、长度、角度 | 问答题 |