吉林省长春市九台区2023-2024学年八年级下学期期中数学试题
吉林
八年级
期中
2024-05-23
60次
整体难度:
容易
考查范围:
数与式、函数、图形的变化、图形的性质、方程与不等式
一、单选题 添加题型下试题
A.0.25×10﹣5 | B.0.25×10﹣6 | C.2.5×10﹣5 | D.2.5×10﹣6 |
【知识点】 用科学记数法表示绝对值小于1的数解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
【知识点】 确定第三边的取值范围解读 利用平行四边形的性质求解解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026808536f6b6d265c778e23836fbf13.png)
A.函数的图象与x轴交点坐标是![]() |
B.函数值随自变量的增大而减小 |
C.函数的图象不经过第二象限 |
D.函数的图象向下平移2个单位长度得到函数![]() |
二、填空题 添加题型下试题
【知识点】 利用平行四边形的性质求解解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d10caa6953f1c76b94d2273b372fcaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62a026fe55f6e9fe8ebefa239d56d9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
【知识点】 一次函数图象平移问题解读
【知识点】 求一个数的算术平方根解读 已知两点坐标求两点距离解读
![](https://img.xkw.com/dksih/QBM/2021/9/8/2803781957746688/2803834909097984/STEM/377567f0-c89f-43bd-b561-3873c589e5ed.png?resizew=184)
【知识点】 由直线与坐标轴的交点求不等式的解集解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498bcfd1aac03057dcd0adef2dd113a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b4f23770747042d68b0fa011762258.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c1d5b3262f3cc5affe241d737a4adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615fc8790237a1b09af51d6bcad6b595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
【知识点】 已知比例系数求特殊图形的面积解读
三、解答题 添加题型下试题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373e940578737a54a51be72e53a31c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
【知识点】 一次函数图象与坐标轴的交点问题解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b1fe1b971b780e443a9b13621611c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795d5254e8ff0ca3872d4ff964973628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3646f7feb3fb24f06a7fb9aaace7de39.png)
(2)直接写出自变量x的取值范围__________;
(3)在如图的平面直角坐标系中画出这个函数的图象.
(1)甲的速度是 km/h;
(2)当1≤x≤5时,求y乙关于x的函数关系式;
(3)当乙与A地相距240km时,直接写出甲与A地的距离.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/14/91e1810d-bc2e-4edd-bad3-587a5b56f41f.png?resizew=204)
【知识点】 求一次函数解析式解读 行程问题(一次函数的实际应用)解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26e951d6d2369e8da79a793a93a66a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac95dab5c3db41c5711a3c836b2f1419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0dca63de95a083218995d9c968d1eef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0e08a39c6619123557148d195abfbe.png)
(1)分别找到线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0e08a39c6619123557148d195abfbe.png)
观察猜想:
(2)仔细观察上述三条线段的中点的横坐标与纵坐标,分别与对应的线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0e08a39c6619123557148d195abfbe.png)
①若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3cf2560bd36adf14eee3f36d0f2a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268330f1c93cc74e79731ad9490ae6f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8c8034aef9ecb15c709331282b96eeb.png)
②若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c7085603f97664b7dcfe4dd2aa8bad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
拓展应用:
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566d474016fd837056c4e35191a54af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
【知识点】 坐标与图形 写出直角坐标系中点的坐标解读 求一次函数解析式解读
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d49d34012ddf68fb981eb4975ac99b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b45db8dd8768994af51206565379fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb49c1fd097c5aafc0c9080449f5fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
(3)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac105696302de473ee273877d622329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9bd144e0e96e4236a14523e0729cacb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.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/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca621dc42304f844ac15dad7062d3959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a83d984748f84098ccfaea864ea733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d84acd3c96e20c0ce064aac125f7fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600042984d5ee8b3badfb5f42cf85c4a.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)P是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.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/411461db15ee8086332c531e086c40c7.png)
(4)在(3)的条件下,当t为何值时,以M、N、E、D为顶点的四边形是平行四边形.(直接写出结果)
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 | 分式有意义的条件 求自变量的取值范围 | |
2 | 0.94 | 求关于原点对称的点的坐标 | |
3 | 0.85 | 用科学记数法表示绝对值小于1的数 | |
4 | 0.85 | 分式值为零的条件 | |
5 | 0.85 | 判断一次函数的增减性 y=ax²+bx+c的图象与性质 判断反比例函数的增减性 | |
6 | 0.85 | 确定第三边的取值范围 利用平行四边形的性质求解 | |
7 | 0.65 | 根据一次函数解析式判断其经过的象限 一次函数图象与坐标轴的交点问题 一次函数图象平移问题 判断一次函数的增减性 | |
8 | 0.85 | 比较反比例函数值或自变量的大小 | |
二、填空题 | |||
9 | 0.85 | 实数的混合运算 零指数幂 负整数指数幂 | |
10 | 0.94 | 利用平行四边形的性质求解 | |
11 | 0.94 | 一次函数图象平移问题 | |
12 | 0.65 | 求一个数的算术平方根 已知两点坐标求两点距离 | |
13 | 0.85 | 由直线与坐标轴的交点求不等式的解集 | |
14 | 0.85 | 已知比例系数求特殊图形的面积 | |
三、解答题 | |||
15 | 0.85 | 解分式方程 | 问答题 |
16 | 0.65 | 分式化简求值 | 计算题 |
17 | 0.85 | 分式方程的实际应用 | 应用题 |
18 | 0.85 | 角平分线性质定理及证明 三角形内角和定理的应用 利用平行四边形的性质证明 | 证明题 |
19 | 0.85 | 一次函数图象与坐标轴的交点问题 | 问答题 |
20 | 0.65 | 求自变量的取值范围 求一次函数解析式 画一次函数图象 等腰三角形的定义 | 问答题 |
21 | 0.65 | 求一次函数解析式 行程问题(一次函数的实际应用) | 问答题 |
22 | 0.65 | 坐标与图形 写出直角坐标系中点的坐标 求一次函数解析式 | 问答题 |
23 | 0.65 | 求一次函数解析式 求反比例函数解析式 已知两点坐标求两点距离 一次函数与反比例函数的交点问题 | 问答题 |
24 | 0.65 | 求一次函数解析式 几何问题(一次函数的实际应用) 利用平行四边形的性质求解 | 问答题 |