安徽省合肥市长丰县北城世纪城初级中学2022~2023学年九年级上学期期末数学试题
安徽
九年级
期末
2023-02-09
284次
整体难度:
容易
考查范围:
图形的变化、图形的性质、函数
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c75d8581bb7b2a91795852acdc07d68.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/1/c5a4db66-4dc9-4f2b-bc61-1b04fdefb8f8.png?resizew=168)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由平行判断成比例的线段解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e663465f4417c400e326bd39f1a9a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/b2fba5c8-99a6-4d11-80b1-d14e5f5c2e3c.png?resizew=223)
A.![]() | B.![]() ![]() ![]() |
C.图象也经过点![]() | D.当![]() ![]() |
【知识点】 求反比例函数解析式解读 判断反比例函数的增减性解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd172042ed396eb8ff692912613fb2d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/7092878c-c67a-45a2-b91d-d1dcf125b317.png?resizew=160)
A.![]() | B.3 | C.![]() | D.![]() |
【知识点】 求角的正切值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/db265c7d-4e5c-4ad8-826a-b1fd90209d8e.png?resizew=218)
A.![]() | B.![]() |
C.![]() | D.![]() |
【知识点】 仰角俯角问题(解直角三角形的应用)
![](https://img.xkw.com/dksih/QBM/2021/9/3/2800242691350528/2803761925677056/STEM/e238ffd3-6024-48ce-858b-8737eaaccda4.png)
A.131° | B.119° | C.122° | D.58° |
【知识点】 圆周角定理解读 同弧或等弧所对的圆周角相等解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1474926e4302dadfde4e3b9c3123589b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.小明认为只有当![]() |
B.小亮认为找不到实数![]() |
C.小花发现当![]() ![]() ![]() |
D.小梅发现函数值![]() ![]() |
【知识点】 y=ax²+bx+c的图象与性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42798067d911f96e5784cb138319c907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b9bb0f509e6f3d30858efb217c1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://img.xkw.com/dksih/QBM/2023/1/6/3146724381908992/3169813604007936/STEM/2d93fffd9cb2433ab5e56c714459ab61.png?resizew=169)
A.![]() | B.![]() | C.![]() | D.![]() |
二、填空题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62398341b9a90be839ca3137f7e07f87.png)
【知识点】 y=a(x-h)²+k的图象和性质解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412de93a9a3a2dfbb727b793453c4196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/ef2429c7-9780-41c7-ac70-87297de7359a.png?resizew=170)
①若BE=1,那么CN的长
②将△ECN沿EN翻折,点C恰好落在边AD上,那么BE的长
【知识点】 矩形与折叠问题解读 相似三角形的判定与性质综合
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
【知识点】 特殊角三角函数值的混合运算解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/7c385a98-6c30-4489-ba6a-732920c04629.png?resizew=203)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)以点O为位似中心,在第四象限将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://img.xkw.com/dksih/QBM/2022/1/7/2896516179427328/2945344867270656/STEM/7c285a5e-f30a-47f5-a932-85e5291b3635.png?resizew=177)
(1)求一次函数的表达式;
(2)请根据图象,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf2d21926a454061f49c0cbaccea977.png)
【知识点】 一次函数与反比例函数的交点问题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a55e3d3aa7f4d7d335573c5cc57551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1611d15c7e1e4ab4a4a61537b3989d8.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/30c20e88a33043f4279fff360c81006e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd13616aed11ddab64eaf267a1aa05b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b12b273983b9da94b78b9f8371f734.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d750742cfbf3d5c5ae0abb438d86ce8b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/13/0f2df273-9cb2-4c8b-9f85-67dfda525da5.png?resizew=165)
【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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe420c07ce33b530869dde98ede00a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940699bc6596266f000d99efff2954d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e36fe861dbf3d8e285110a283c4c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/566b927c-4d70-4e91-957f-6b7bdd038ef7.png?resizew=167)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/318d9fee4c3c46824350c026e43b9b03.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdae78f4d3b8d8213ac3ac9a9567eb5.png)
(1)求抛物线的解析式;
(2)动点P(x,5)能否在抛物线上?请说明理由;
(3)若点A(a,y1),B(b,y2)都在抛物线上,且a<b<0,比较y1,y2的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d0aaa5cf7dafac1b64eafe84cae5674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/886686dbd67f206aeb4727dde9b40446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3214c853ea2268ef6c434fb28f0298d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7851c0407801b7b4c39732654aacbdca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c468dc5cc34c14a188493a21019e8f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6767830cc1811f0f4ea5a008fdc7e723.png)
(1)求二次函数和一次函数的解析式;
(2)若抛物线上的点P在第四象限内,过点P作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2021/8/23/2792515484188672/2794025042862080/STEM/c30b02b0-34d7-4867-b7d1-56d502720ccd.png)
【知识点】 线段周长问题(二次函数综合)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d38d97f03faed3152db2fd3bd1919944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2023/1/6/3146724381908992/3169813605187584/STEM/f2f78cba09cd4bf18fa326107d3e6df0.png?resizew=158)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d6b9ccc3a025e4f11717cfd7ab354b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9bdc23715dd5b1cbc6fb257bc2fa85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e2c6a32fecda4cea93d338a3077df.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba299bd837a74e7d18a98b503ec0d9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21468d822783aa72d15f7838258add7e.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 | 轴对称图形的识别 中心对称图形的识别 | |
2 | 0.85 | 用勾股定理解三角形 求角的正弦值 求角的余弦值 求角的正切值 | |
3 | 0.94 | 由平行判断成比例的线段 | |
4 | 0.85 | 求反比例函数解析式 判断反比例函数的增减性 | |
5 | 0.85 | 求角的正切值 | |
6 | 0.85 | 二次函数图象的平移 | |
7 | 0.85 | 仰角俯角问题(解直角三角形的应用) | |
8 | 0.85 | 圆周角定理 同弧或等弧所对的圆周角相等 | |
9 | 0.85 | y=ax²+bx+c的图象与性质 | |
10 | 0.65 | 用勾股定理解三角形 90度的圆周角所对的弦是直径 判断点与圆的位置关系 | |
二、填空题 | |||
11 | 0.94 | y=a(x-h)²+k的图象和性质 | |
12 | 0.65 | 用勾股定理解三角形 利用垂径定理求值 | |
13 | 0.85 | 根据图形面积求比例系数(解析式) 全等的性质和ASA(AAS)综合(ASA或者AAS) | |
14 | 0.4 | 矩形与折叠问题 相似三角形的判定与性质综合 | |
三、解答题 | |||
15 | 0.85 | 特殊角三角函数值的混合运算 | 计算题 |
16 | 0.65 | 画旋转图形 求绕原点旋转90度的点的坐标 在坐标系中画位似图形 | 作图题 |
17 | 0.65 | 一次函数与反比例函数的交点问题 | 问答题 |
18 | 0.65 | 仰角俯角问题(解直角三角形的应用) | 计算题 |
19 | 0.65 | 由平行截线求相关线段的长或比值 相似三角形的判定与性质综合 | 证明题 |
20 | 0.65 | 待定系数法求二次函数解析式 y=a(x-h)²+k的图象和性质 已知二次函数的函数值求自变量的值 | 问答题 |
21 | 0.85 | 利用弧、弦、圆心角的关系求证 切线的性质定理 相似三角形的判定与性质综合 | 证明题 |
22 | 0.65 | 线段周长问题(二次函数综合) | 问答题 |
23 | 0.4 | 全等的性质和HL综合(HL) 用勾股定理解三角形 根据正方形的性质证明 相似三角形的判定与性质综合 | 证明题 |