2024年陕西省西安市碑林区西安尊德中学中考二模数学试题
陕西
九年级
二模
2024-04-02
356次
整体难度:
容易
考查范围:
数与式、图形的性质、图形的变化、函数、方程与不等式、统计与概率
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee4e0de0c1de0835766b7f627f348c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d57899ad4774aed9ccc7bd23db72153.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/21d0a621-b2cd-4d19-9083-78c8a13a6bbe.png?resizew=107)
A.20° | B.70° | C.110° | D.120° |
【知识点】 利用邻补角互补求角度解读 根据平行线的性质求角的度数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db1f1699b4d0b001ed9192eab35ef043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
A.![]() | B.1 | C.2 | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4fca43416daa705b912d715c22d7913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/187fb859-90a3-4778-a1da-85337165d0a0.png?resizew=105)
A.4 | B.![]() | C.8 | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4231a4deb6e5d420795ac78a550a5d.png)
A.![]() | B.3 | C.![]() | D.2 |
二、填空题 添加题型下试题
【知识点】 求一个数的算术平方根解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a5686730a081427d27fdc45997eca9c.png)
【知识点】 等腰三角形的性质和判定 正多边形的内角问题解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90e1209e1fe9fbdfb8bd61ab843495b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8fda958af1c4b7bd3ab29f3bae9981.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/4/c34061b0-3c03-4116-8bdc-5ee580bf914c.png?resizew=107)
【知识点】 黄金分割
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386125025564b209d25e5028577c915b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ef68c25cb801428ad46665783ab28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
【知识点】 用反比例函数描述数量关系解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18444ec3e5e3b8a0cf488732c34866d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070bc896d35495237fd65576e9b6f88e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/49e45876-a52f-4115-9ac0-39aec3575b33.png?resizew=146)
【知识点】 用勾股定理解三角形解读 与三角形中位线有关的求解问题解读
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/26/efef4dfa-9013-4b2c-9295-b3780d96e146.png?resizew=119)
【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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fec9e3bf7ff287df2cbdff8addfaf5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38aa46b02f08fca3728f1158ea0047fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfb27272b4eb9ed057dd3b4d40697e7c.png)
【知识点】 其他问题(一元一次方程的应用)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)小明选择去西安大唐芙蓉园旅游的概率为_____________;
(2)用树状图或列表的方法求小明和小华选择去不同景点旅游的概率.
【知识点】 根据概率公式计算概率解读 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad1b0a76a887783392268ae203ad22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c030b25575d683af91c06e6a3e4f463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d5a164bf56f8fb92527ad78bc10ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75f834431a041a8d523818980ae5d53b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/ad01502f-f745-486e-a3e4-3f4d5e0e77e3.png?resizew=161)
【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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78265f67ff3384e51f1f491f63a7b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baed2521b47504e9593482b4d8ba5d71.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/58c5c6ce-3bce-4c89-b1b2-b361dbfe621a.png?resizew=217)
(1)拉力
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(2)当拉力
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b218d357d349bc160639fc6bc99399e9.png)
【知识点】 其他问题(一次函数的实际应用)
收集数据
七年级15名学生测试成绩分别为:78,83,89、97,98,85,100,94,87,90,94,92,99,94,100.
八年级15名学生测试成绩分别为:81,82,83,85,87,96,87,92,94,95,87,93,95,96,97.
分析数据
年级 | 平均数 | 众数 | 中位数 | 方差 |
七年级 | 92 | 94 | a | 40.9 |
八年级 | 90 | b | 92 | 29.7 |
(1)根据以上信息,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
(2)由方差可以推断:七、八年级中,学生测试成绩较稳定的是______;
(3)甲同学说:“这次测试我得了93分,位于年级中等偏上水平”,你认为甲同学更可能来自七年级还是八年级,并简要说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.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/d2bfbc2f50c2464e04e400bc63ec2236.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/88b17cb1-f0e4-4215-8818-7a95edb0d5ad.jpg?resizew=139)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c279c8033acb94c3f91be2e05b0a6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
【知识点】 圆周角定理解读 证明某直线是圆的切线解读 相似三角形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/466b8098-4eab-444a-9e2c-411d5f933506.png?resizew=277)
(1)求抛物线的解析式;
(2)若成绩想要达到80分,实心球出手处至球落地处的水平距离至少为8.4
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e15e00f40396e914d1d9955bd7785f1f.png)
【知识点】 投球问题(实际问题与二次函数)解读
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/38c13409-a5ef-4102-b232-b6234a0cb9ac.png?resizew=515)
(1)如图①,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01cd2bf7c88e24c91625e0f20ba2a4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
问题探究
(2)如图②,在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c884b508394b3ab50734b584d9ec783c.png)
问题解决
(3)如图③,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26ad70d2b3aac8604834d57dfc59bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1db2c0955e5a5be47faf855bca738a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
试卷分析
试卷题型(共 26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 | 两个有理数的乘法运算 | |
2 | 0.94 | 利用邻补角互补求角度 根据平行线的性质求角的度数 | |
3 | 0.85 | 相似三角形的判定与性质综合 | |
4 | 0.85 | 同底数幂相乘 幂的乘方运算 同底数幂的除法运算 计算单项式乘单项式 | |
5 | 0.85 | 根据一次函数解析式判断其经过的象限 | |
6 | 0.85 | 用勾股定理解三角形 利用菱形的性质求线段长 解直角三角形的相关计算 | |
7 | 0.85 | 含30度角的直角三角形 同弧或等弧所对的圆周角相等 半圆(直径)所对的圆周角是直角 | |
8 | 0.85 | y=ax²+bx+c的图象与性质 抛物线与x轴的交点问题 | |
二、填空题 | |||
9 | 0.85 | 求一个数的算术平方根 | |
10 | 0.85 | 等腰三角形的性质和判定 正多边形的内角问题 | |
11 | 0.94 | 黄金分割 | |
12 | 0.94 | 用反比例函数描述数量关系 | |
13 | 0.65 | 用勾股定理解三角形 与三角形中位线有关的求解问题 | |
三、解答题 | |||
14 | 0.65 | 化简绝对值 有理数的乘方运算 二次根式的混合运算 | 计算题 |
15 | 0.85 | 求一元一次不等式的解集 | 计算题 |
16 | 0.85 | 解分式方程 | 问答题 |
17 | 0.85 | 角平分线的性质定理 作角平分线(尺规作图) | 作图题 |
18 | 0.85 | 全等的性质和ASA(AAS)综合(ASA或者AAS) | 证明题 |
19 | 0.85 | 其他问题(一元一次方程的应用) | 应用题 |
20 | 0.85 | 根据概率公式计算概率 列表法或树状图法求概率 | 应用题 |
21 | 0.65 | 仰角俯角问题(解直角三角形的应用) | 应用题 |
22 | 0.85 | 其他问题(一次函数的实际应用) | 应用题 |
23 | 0.65 | 求中位数 求众数 根据方差判断稳定性 | 问答题 |
24 | 0.65 | 圆周角定理 证明某直线是圆的切线 相似三角形的判定与性质综合 | 证明题 |
25 | 0.65 | 投球问题(实际问题与二次函数) | 应用题 |
26 | 0.4 | 全等的性质和SAS综合(SAS) 用勾股定理解三角形 根据正方形的性质求线段长 求一点到圆上点距离的最值 | 问答题 |