湖北省武汉市武昌区2017-2018学年九年级上学期部分学校元月联合测试数学试题
湖北
九年级
阶段练习
2018-01-16
273次
整体难度:
适中
考查范围:
方程与不等式、函数、图形的变化、图形的性质、统计与概率
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5470352aa366bcc9661880af8b699a2.png)
A.-5和2 | B.3和-2 | C.3和2 | D.3和-5 |
【知识点】 一元二次方程的一般形式解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/962e7022019a9c8002836d612b5fa270.png)
A.(2,3) | B.(3,-2) | C.(-2,3) | D.(-2,-3) |
【知识点】 y=a(x-h)²+k的图象和性质解读
A.两个实根和为6 | B.两个实根之积为10 |
C.没有实数根 | D.有两个相等的实数根 |
【知识点】 根据判别式判断一元二次方程根的情况解读
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74879f58bcb0775715da84e6a1b7397b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() ![]() |
【知识点】 点和圆的位置关系
A.y=(x-3)2+4 | B.y=(x+1)2+4 | C.y=(x+1)2+3 | D.y=(x-1)2+2 |
A.0.3 | B.0.8 | C.![]() | D.![]() |
【知识点】 根据概率公式计算概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7e4dcebd24c843379926de9c0b780.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/5eeb69dcd17cd8448b0ed90fc02a7f3c.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da68ff94b0877adb96abbc3e0fa52d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3951210fc7a9951bd5662ca84d53e3.png)
A.4 | B.3 | C.2 | D.1 |
【知识点】 二次函数的图象与系数的关系
二、填空题 添加题型下试题
【知识点】 增长率问题(一元二次方程的应用)解读
![](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/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
【知识点】 坐标与图形变换——旋转
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ccdc7aaa645c8bcc8978cda5479821.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/e5657cc1-a52f-4ee4-95b0-9fc84424ef58.png?resizew=176)
【知识点】 求扇形面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81302293040b59e9e3b2a64fefc29c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
【知识点】 旋转综合题(几何变换)
三、解答题 添加题型下试题
【知识点】 列表法或树状图法求概率解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5b88ec996d2d117987e7303cefe4ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b873a78c084453e2dcdad27ee5aeb709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0124d4c22e17a6b719cf2d0f0b305e4e.png)
(1)若矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e4123975f257306440158659634c4a.png)
![](https://img.xkw.com/dksih/QBM/2018/1/12/1858794592288768/1862544741728256/STEM/4233c88ed3dc492e82ddfa03ba87afec.png?resizew=100)
【知识点】 与图形有关的问题(一元二次方程的应用)解读
![](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/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4611ceb2a28f7a7e4d24266d7f99b22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/650362bbb54273f96eb35df79751b52c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a16f5621716bfef7a056a3f2712feb4.png)
![](https://img.xkw.com/dksih/QBM/2018/1/12/1858794592288768/1862544741810176/STEM/a9afb676f84a4fc292b9a21c4575de44.png?resizew=196)
【知识点】 圆周角
(1)设每件降价x元,每星期的销售利润为y元;
① 请写出y与x之间的函数关系式;
② 确定x的值,使利润最大,并求出最大利润;
(2)若涨价x元,则x= 元时,利润y的最大值为 元(直接写出答案,不必写过程).
【知识点】 实际问题与二次函数 销售问题(实际问题与二次函数)解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c10d461a7c0b86a2f09c2ea17f38260e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c05bbc5dbc0cd9ba0414ee79f501db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1a9ed724ceece5e56d21ac4a3213cc.png)
连接接BE,取BE中点F,连接AF、DF.
(1)如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78020101a5a153ec2131f31cda38841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
①直接指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
②直接指出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
(2)将图(1)中的△CDE绕
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e915c7310f3781887a1afb99dbf949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
(3)在(2)中,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c07111ce15acf7d534be84e72163527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/2018/1/12/1858794592288768/1862544741933056/STEM/f7c9cb91ee784afeb3247ee897cec79d.png?resizew=160)
![](https://img.xkw.com/dksih/QBM/2018/1/12/1858794592288768/1862544741933056/STEM/5a990691170b4c0292eeb36563ab69e9.png?resizew=200)
图1 图2
【知识点】 旋转综合题(几何变换)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df927f1cfba4a4e5f1f666034b3e62d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/d053b14c8588eee2acbbe44fc37a6886.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
(2)求△ABC的外接圆与抛物线的对称轴的交点坐标;
(3)点E为抛物线上的一动点(点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
直线BE交对称轴于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83042953e7f15e984b2da2ee9ca678d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9d2abf13c2842f58654abf73c6b4ee.png)
![](https://img.xkw.com/dksih/QBM/2018/1/12/1858794592288768/1862544741982208/STEM/8995e983943d4711a2430a3d40b578e6.png?resizew=159)
试卷分析
试卷题型(共 24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 | 一元二次方程的一般形式 | |
2 | 0.94 | y=a(x-h)²+k的图象和性质 | |
3 | 0.85 | 根据判别式判断一元二次方程根的情况 | |
4 | 0.85 | 轴对称图形的识别 中心对称图形的识别 | |
5 | 0.65 | 点和圆的位置关系 | |
6 | 0.85 | 事件的分类 | |
7 | 0.85 | 二次函数图象的平移 | |
8 | 0.65 | 直线和圆的位置关系 | |
9 | 0.65 | 根据概率公式计算概率 | |
10 | 0.65 | 二次函数的图象与系数的关系 | |
二、填空题 | |||
11 | 0.65 | 增长率问题(一元二次方程的应用) | |
12 | 0.85 | 利用垂径定理求值 圆周角定理 已知圆内接四边形求角度 | |
13 | 0.65 | 坐标与图形变换——旋转 | |
14 | 0.65 | 求扇形面积 | |
15 | 0.65 | 正多边形和圆的综合 | |
16 | 0.4 | 旋转综合题(几何变换) | |
三、解答题 | |||
17 | 0.85 | 公式法解一元二次方程 | 问答题 |
18 | 0.65 | 切线的性质定理 | 问答题 |
19 | 0.85 | 列表法或树状图法求概率 | 问答题 |
20 | 0.65 | 与图形有关的问题(一元二次方程的应用) | 问答题 |
21 | 0.65 | 圆周角 | 问答题 |
22 | 0.65 | 实际问题与二次函数 销售问题(实际问题与二次函数) | 问答题 |
23 | 0.4 | 旋转综合题(几何变换) | 问答题 |
24 | 0.4 | 线段周长问题(二次函数综合) 圆与函数的综合(圆的综合问题) | 问答题 |