【全国区级联考】江苏省宿迁市宿豫区2017-2018学年八年级下期末数学试题
江苏
八年级
期末
2018-07-20
675次
整体难度:
容易
考查范围:
函数、数与式、统计与概率、图形的变化、方程与不等式、图形的性质
一、单选题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 由反比例函数图象的对称性求点的坐标解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
A.必然事件 | B.不可能事件 | C.随机事件 | D.必然事件或不可能事件 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68eef98d73703687d28728eb28fc2d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.x<2 | D.x≤2 |
【知识点】 二次根式有意义的条件解读 利用二次根式的性质化简解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73ac79da804a308852f29d92336b9fac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c6875d552e9fff3c7d655f3a59b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771df37a312dac1fb332a31a10340c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90bae886c8ab958aa4c693bf8e0627d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771df37a312dac1fb332a31a10340c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ab1be5dddd05ec4704baffb9521475.png)
A.甲 | B.乙 | C.丙 | D.丁 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa50346237f69307a6f08037562e67e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/21/eb195ebe-3e83-455b-b515-ec8d18c4d3ac.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 根据图形面积求比例系数(解析式)解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f0efc17bb15d9b775feeac4699d600.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
【知识点】 根据分式方程解的情况求值解读 求一元一次不等式的解集解读
二、填空题 添加题型下试题
【知识点】 全面调查与抽样调查
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71d8579ad0a974c4ad439182b950e565.png)
【知识点】 二次根式有意义的条件解读
则这批乒乓球“优等品”的概率的估计值是
【知识点】 用频率估计概率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdaf3914f625c7535a8ddc019ff4cba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6ae81e7fe93c1834a61056b16843041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85410ff00c81839ff9a64bf86dc36f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
【知识点】 反比例函数与一次函数的综合解读
【知识点】 添一个条件使四边形是正方形解读
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcf75e604e92e26de871d97396292c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c5a2a0320e34320db6055e31f0f8fc.png)
【知识点】 分式化简求值解读 已知字母的值,化简求值解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce89b633e5d6bcf9406e3f9208fe06d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee5447f1268cfd1949810ba8db48308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd7c304b64435d1697c1ea29efe08fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6486784415f3537c9a13556c05d893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
【知识点】 分式方程的应用
组别 | ![]() | ![]() | ![]() | ![]() | ![]() |
分组(元) | ![]() | ![]() | ![]() | ![]() | ![]() |
频数 | ![]() | ![]() | ![]() | ![]() | ![]() |
![](https://img.xkw.com/dksih/QBM/2019/5/28/2213265796841472/2216743190593536/STEM/47b1f96998fd4c9c9d9049f52e7e247b.png?resizew=421)
请根据以上图表,解答下列问题:
(1)填空:这次调查的样本容量是 ,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)补全频数分布直方图;(3)求扇形统计图中扇形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(4)该校共有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadc63e6e33743ce590ed968948a5a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f58bcc4ca0da45f6b57ff74c2ec7198.png)
【知识点】 条形统计图和扇形统计图信息关联解读 频数分布直方图解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d21726b82e52bbd091c3d3279ba584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9af0974911dc6bc934e346332a119dbb.png)
(1)若平均每人每小时植树
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b950c01f4f62ac9389cae9d3dc73d058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)为了能在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41d104f461fdb202e60c75e47ad828d4.png)
【知识点】 实际问题与反比例函数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5178ba8ee7c27f3a06d10e45e4d8a916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc1cbcd6d00f0c36bad8254297d9f33.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/2018/7/13/1987524176035840/1989916425297920/STEM/cf27df05d9834978ac28eaa7830e0df2.png?resizew=142)
【知识点】 菱形的判定与性质综合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f91595c9f9cd6be5a4bb676281c01982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/4541820372a56c8cc11e7a8f93844000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f86dfaf2d9f43898be646a12ce8f51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
(1)求该反比例函数和一次函数的表达式;
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ac35e429e427f804a4756875a9c995.png)
![](https://img.xkw.com/dksih/QBM/2018/7/13/1987524176035840/1989916425355264/STEM/7f42883b9c1a4db484bbe1ebd505e949.png?resizew=186)
【知识点】 反比例函数与几何综合解读 反比例函数与一次函数的综合解读
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf857e03d4320c999d328fd657c2d412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3687a1bab75d23af811247becce2497d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46aa6bf79eb6e826fb40a8c8e771d9a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d4d78dce0cf121e288749e58b1924d.png)
![](https://img.xkw.com/dksih/QBM/2018/7/13/1987524176035840/1989916425469952/STEM/2efcc63585704b7e96352b67d52bf31d.png?resizew=109)
【知识点】 根据正方形的性质与判定求线段长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49d34012ddf68fb981eb4975ac99b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f37f7bbe3b52db2a59a7199959262d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ed9591da55e5561b00b088e6926799.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd3fd878f6189c636fbddd7b218ee77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994a4ae8ef00018ac1c0f22477d5d1ba.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ec0cf152e35708d87a83cb4cb56461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/6c5b6ef3-9255-4fd2-832c-9945e3b5d43f.png?resizew=311)
试卷分析
试卷题型(共 28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 | 由反比例函数图象的对称性求点的坐标 | |
2 | 0.85 | 最简二次根式的判断 | |
3 | 0.85 | 事件的分类 | |
4 | 0.85 | 二次根式有意义的条件 利用二次根式的性质化简 | |
5 | 0.65 | 中心对称图形的识别 | |
6 | 0.65 | 分式化简求值 | |
7 | 0.85 | 根据图形面积求比例系数(解析式) | |
8 | 0.65 | 根据分式方程解的情况求值 求一元一次不等式的解集 | |
二、填空题 | |||
9 | 0.85 | 全面调查与抽样调查 | |
10 | 0.85 | 二次根式有意义的条件 | |
11 | 0.85 | 同分母分式加减法 | |
12 | 0.85 | 二次根式的混合运算 | |
13 | 0.85 | 用频率估计概率 | |
14 | 0.85 | 正比例函数的性质 由反比例函数图象的对称性求点的坐标 | |
15 | 0.65 | 用勾股定理解三角形 | |
16 | 0.65 | 反比例函数与一次函数的综合 | |
17 | 0.65 | 添一个条件使四边形是正方形 | |
18 | 0.65 | 比较反比例函数值或自变量的大小 | |
三、解答题 | |||
19 | 0.65 | 二次根式的混合运算 | 计算题 |
20 | 0.85 | 解分式方程 | 问答题 |
21 | 0.65 | 分式化简求值 已知字母的值,化简求值 | 问答题 |
22 | 0.65 | 分式方程的应用 | 问答题 |
23 | 0.65 | 条形统计图和扇形统计图信息关联 频数分布直方图 | 作图题 |
24 | 0.65 | 实际问题与反比例函数 | 问答题 |
25 | 0.65 | 菱形的判定与性质综合 | 证明题 |
26 | 0.65 | 反比例函数与几何综合 反比例函数与一次函数的综合 | 问答题 |
27 | 0.4 | 根据正方形的性质与判定求线段长 | 证明题 |
28 | 0.65 | 反比例函数与几何综合 由反比例函数图象的对称性求点的坐标 利用菱形的性质求线段长 | 问答题 |