2024年新疆乌鲁木齐市第十三中学等中考二模考试数学试题
新疆
九年级
二模
2024-05-21
414次
整体难度:
容易
考查范围:
数与式、图形的变化、图形的性质、统计与概率、函数、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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cae7cc6665dc8edfb9060075b3afb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d64e57ebb03709e77473a9a7f12c864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
A.6 | B.9 | C.12 | D.18 |
【知识点】 角平分线的性质定理解读 作角平分线(尺规作图)解读
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a551a88ac426439803f564a3bbee04a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da6d82d173ad18cc040e94c925b5ab9.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
④若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9eb2a67f9e224ccdc95fed52088f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
上述四个结论中正确的有( )个.
A.1 | B.2 | C.3 | D.4 |
【知识点】 从函数的图象获取信息解读 判断一次函数的图象解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() | B.![]() | C.20 | D.24 |
【知识点】 动点问题的函数图象解读 利用菱形的性质求线段长解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5bca93f672c0492da6d136e0c54b3e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857f031bff19e9996b3a92c362151f78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fa71aa2ea224669698850108751a71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd685943cf39f7945b31e42d6221788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8f84f5de5d5fe7a643ddfb4ee243eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d462ed4ec22e8fe51f09eb30e8792532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/045ef7510084c96d43beff6296d8479f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb57d84f9bbcb3e30d4ce7e2e1e8604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cf6a3813389ee07b5b5fac1f2aa50a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb92e231023aa470a60e7c189f6f0b4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ddf1f1c828b987969248f9b7aa163ca.png)
A.①②③ | B.①②④ | C.①③④ | D.②③④ |
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/122df4107717ee770e5b1cc9dee983b4.png)
【知识点】 综合提公因式和公式法分解因式解读
【知识点】 程序流程图与代数式求值解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c633830c6e2ac6d8d6e18890ef5ee33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ccc37b189fa2cbc269ca0b233dac37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9466d03bc916a9169eaf39863d59fceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc195a9f7ac138e5a1ad87d5fa201c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a8b77523fdb650961e4cc870e12180d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbf9680f74a9ac5d934304654ce2771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c08fd59a8b79082ff3459b6691ea08.png)
【知识点】 最短路径问题 直角三角形周长、面积与内切圆半径的关系解读
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e1cd92622524b30095dcfa99d94a38.png)
【知识点】 求不等式组的解集解读 求一元一次不等式组的整数解解读
(1)求证:△ABF≌△DEC;
(2)求证:四边形BCEF是矩形.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/13/e970bbbe-c5a4-44a6-acc3-63af4240009d.png?resizew=218)
【知识点】 全等的性质和SAS综合(SAS)解读 证明四边形是矩形解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7850e9b962a2f898adb84f97c49323f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4257b8939a4f0c809129cbf202416397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/273e1ca083d8248e72e9fbd2f8403db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aeaf113764abb5769616efecf0c7498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd6398a2768bade390cd738a5f1ba82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4b43e3c1381250925b5c2db9a57796f.png)
男生被抽取的学生竞赛成绩:52,58,58,60,64,70,72,74,74,76,76,78,80,86,86,86,88,90,94,98.
女生被抽取的学生竞赛成绩中,C组的具体分数为:70,72,74,76,76,76,78,78.
性别 | 男生 | 女生 |
平均数 | 76 | 76 |
中位数 | 76 | |
众数 | 87 | |
优秀率 | 40% |
(1)填空:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)根据以上数据分析,从一个方面评价该校男、女生本届数学趣味知识竞赛成绩谁更优异?请说明理由(写出一条理由即可);
(3)该校共有3000人,请你估计该校学生中竞赛成绩优秀的有多少人?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c12e76fbd84eeec721386bd3b04cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a1b68822169ec4cfb0e76a0a4ab2dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db936261aa0625846ad56e78c3647d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11fad9eff0b39686b66cf5d8fc6c596.png)
【知识点】 仰角俯角问题(解直角三角形的应用)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1f5e7f88875edb2d6419cd21c3dbe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8621a178c519adbe351768e81c68da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c901bcdfa58f0c68ad0161b0bab269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a018ff5ecceb271bec7b48f11cfbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8621a178c519adbe351768e81c68da.png)
(2)设2024年甲乙两种蔬菜总种植成本为W元,如何分配两种蔬菜的种植面积,使W最小?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/1bfa14df2e34162f35f421f2ae598cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ef9500289a895ad4d69f113a11e7525.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5533dde07e0ef8850435980dfdb6b9e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
如图1,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d578394cd8e4d7a705599269c512960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c101a99be76bc774daa0ef17fd5633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16968907df4640f2246d917e29ef1d71.png)
②将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f5074f6582074107a07dd6b689e86c.png)
③探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
(2)[迁移探究]
如图2,将正方形
![](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/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.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 | 相反意义的量 | |
2 | 0.94 | 用科学记数法表示绝对值大于1的数 | |
3 | 0.94 | 合并同类项 同底数幂相乘 幂的乘方运算 计算单项式乘单项式 | |
4 | 0.85 | 轴对称图形的识别 中心对称图形的识别 | |
5 | 0.85 | 角平分线的性质定理 作角平分线(尺规作图) | |
6 | 0.85 | 列表法或树状图法求概率 | |
7 | 0.65 | 从函数的图象获取信息 判断一次函数的图象 | |
8 | 0.4 | 动点问题的函数图象 利用菱形的性质求线段长 | |
9 | 0.4 | y=ax²+bx+c的图象与性质 一次函数、二次函数图象综合判断 根据二次函数图象确定相应方程根的情况 | |
二、填空题 | |||
10 | 0.85 | 综合提公因式和公式法分解因式 | |
11 | 0.85 | 正多边形的内角问题 圆周角定理 | |
12 | 0.85 | 用勾股定理解三角形 求圆锥侧面积 求圆锥的高 | |
13 | 0.85 | 程序流程图与代数式求值 | |
14 | 0.65 | 求反比例函数解析式 等边三角形的判定和性质 用勾股定理解三角形 根据旋转的性质求解 | |
15 | 0.65 | 最短路径问题 直角三角形周长、面积与内切圆半径的关系 | |
三、解答题 | |||
16 | 0.65 | 实数的混合运算 零指数幂 解分式方程 求特殊角的三角函数值 | 计算题 |
17 | 0.65 | 求不等式组的解集 求一元一次不等式组的整数解 | 计算题 |
18 | 0.65 | 全等的性质和SAS综合(SAS) 证明四边形是矩形 | 证明题 |
19 | 0.65 | 由样本所占百分比估计总体的数量 频数分布表 求中位数 求众数 | 问答题 |
20 | 0.85 | 仰角俯角问题(解直角三角形的应用) | 问答题 |
21 | 0.65 | 其他问题(一次函数的实际应用) 销售问题(实际问题与二次函数) | 应用题 |
22 | 0.65 | 利用矩形的性质证明 证明某直线是圆的切线 相似三角形的判定与性质综合 已知正切值求边长 | 证明题 |
23 | 0.4 | 等边三角形的判定和性质 根据正方形的性质证明 根据旋转的性质求解 解直角三角形的相关计算 | 证明题 |