如图,在平面直角坐标系中,一次函数
的图象经过点
,且与x轴相交于点
,与一次函数
的图象相交于点A,点A的横坐标为4.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/ec2577bd-fa70-4d41-8f73-4df40335c070.png?resizew=176)
(1)求k,b的值;
(2)请直接写出关于x的不等式
的解集;
(3)设点E在直线
上,且
,求点E的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e75ee9fb7c3b399a05daaf33a790377c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbdef5d0c05acbf63fa72fa85c5bb45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694033aa4e20853cf10f33c870007047.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/20/ec2577bd-fa70-4d41-8f73-4df40335c070.png?resizew=176)
(1)求k,b的值;
(2)请直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09155aeffc08662c895143e580c351ed.png)
(3)设点E在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/633ad82c8b18405897d8f749e72ec682.png)
22-23八年级下·陕西西安·阶段练习 查看更多[6]
陕西省西安市交通大学附属中学2022-2023学年八年级下学期数学练习一(第一次月考)试题(已下线)19.2.3 一次函数与方程、不等式-2022-2023学年八年级数学下册《考点·题型·技巧》精讲与精练高分突破系列(人教版)(已下线)专题19.22 一次函数与方程、不等式(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)(已下线)19.2.3 一次函数与方程、不等式(题型专训)-2022-2023学年八年级数学下册同步精品课堂(人教版)河北省 保定市莲池区第一实验中学2022-2023学年八年级下学期期中数学试题陕西省西安交大附中2022-2023学年八年级下学期第一次月考数学试题
更新时间:2023-03-19 07:21:13
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,已知抛物线
的顶点D的坐标为
,抛物线与坐标轴分别交于A、B、C三点,且B的坐标为(0,5),连接DB、DC,作直线BC.
(2)P是x轴上的一点,过点P作x轴的垂线,与CD交于H,与CB交于G,若线段HG把△CBD的面积分成相等的两部分,求P点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04c21434f728c7ca8facee9ada386fd.png)
(2)P是x轴上的一点,过点P作x轴的垂线,与CD交于H,与CB交于G,若线段HG把△CBD的面积分成相等的两部分,求P点的坐标.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,抛物线
经过
,
两点,与x轴的另一个交点为A,与y轴相交于点C.
(1)求抛物线的解析式和点C的坐标;
(2)若点M在直线
上方的抛物线上运动(与点B,C不重合),求使
面积最大时M点的坐标,并求最大面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442834866daf52da017a459b05d8031b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36488f7dff759ace2a27e56c3857056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3b3ab16ac08945db539b6542b36417.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/52f4cd6f-df62-4d76-a701-c0d4818d89c0.png?resizew=254)
(1)求抛物线的解析式和点C的坐标;
(2)若点M在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad3e2b2689dfe97ec82d473ab6cf469.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图1,在平面直角坐标系中,一次函数
与x轴交于点B,与y轴交于点A,点C为线段
的中点,过点C作
轴,垂足为D.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/d0856418-ff65-4f47-af84-d2ac749bcf08.png?resizew=400)
(1)求A、B两点的坐标;
(2)若点E为y轴负半轴上一点,连接
交x轴于点F,且
,在直线
上有一点P,使得
最小,求P点坐标;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/736adffb9e9e4e11bd071c0bc7b50092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70986d34cfbb5f7711e504e0f92f9ad9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/d0856418-ff65-4f47-af84-d2ac749bcf08.png?resizew=400)
(1)求A、B两点的坐标;
(2)若点E为y轴负半轴上一点,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0086d28ce8e86edec82477a251d73d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a4800c54f8a4b38f8f06d3f1a459fc.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】已知函数
和
的图象交于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf9e4671d84bb050317ad5bb07f3c8f.png)
(1)求
的值
(2)求
与两坐标轴围成的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9a9b769d70cb6f29e965c800921c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383acc4caeee77496389ac2f86f59ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acf9e4671d84bb050317ad5bb07f3c8f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383acc4caeee77496389ac2f86f59ced.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系
中,一次函数
(
)与
轴交于点
,且与正比例函数
图像交于点
.
![](https://img.xkw.com/dksih/QBM/2022/6/22/3006783944851456/3048019896999936/STEM/98de123a0e23467298a59011d0cad288.png?resizew=174)
(1)求
的值及一次函数
的解析式;
(2)直接写出
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a18a7caa080988802ba1145b4fe4203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11f192bc01208450c78ed373a19504e2.png)
![](https://img.xkw.com/dksih/QBM/2022/6/22/3006783944851456/3048019896999936/STEM/98de123a0e23467298a59011d0cad288.png?resizew=174)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
(2)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca4e0119d05ba4b6b991916de48d56c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】在平面直角坐标系中,一次函数 y=kx+b(k 0)的图象由函数 y=x 的图象平移得到, 且经过点 A(1,2).
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/e9127f92-d867-4066-b7bb-37ca22d156f7.png?resizew=160)
(1)求这个一次函数的解析式;
(2)在所给的平面直角坐标系中画出这个一次函数的图象.若此图象与 x 轴交于点 B,则△ABO 的面积为 .
(3)当 x>1 时,对于每一个 x 的值,函数 y=mx(m 0)的值都大于一次函数 y=kx+b 的值,请你直接写出 m 的取值范围: .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/18/e9127f92-d867-4066-b7bb-37ca22d156f7.png?resizew=160)
(1)求这个一次函数的解析式;
(2)在所给的平面直角坐标系中画出这个一次函数的图象.若此图象与 x 轴交于点 B,则△ABO 的面积为 .
(3)当 x>1 时,对于每一个 x 的值,函数 y=mx(m 0)的值都大于一次函数 y=kx+b 的值,请你直接写出 m 的取值范围: .
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,直线
与
轴、
轴分别交于点
、点B,点P是直线AB上的一个动点,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/912d3e6b-7de2-4f1f-a734-ef3f59feb033.jpg?resizew=152)
(1)求不等式
的解;
(2)若
的面积是
面积的
,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/023ab3a7eb0f59993c7608576e47c0f0.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/9bf02334810fe35d00fe99d2945fbfbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/912d3e6b-7de2-4f1f-a734-ef3f59feb033.jpg?resizew=152)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f8dee72a96f7079d2089618e3bd021.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3877c5dd48bc7311f79a38de74a6cab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,已知函数
的图象与
轴交于点
,一次函数
的图象经过点
,与
轴以及
的图象分别交于点
,
,且点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/2/ce746c10-6442-40bb-8b32-6c97b701e910.png?resizew=201)
(1)则
______,
______,
______;
(2)关于
,
的二元一次方程组
的解为______;
(3)求四边形
的面积;
(4)在
轴上是否存在点
,使得以点
,
,
为顶点的三角形是直角三角形,请求出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.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/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3544997cc034ed882c0d0a3bdbf5f957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26c9e6536dd347d9079bee07eaf4580c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/2/ce746c10-6442-40bb-8b32-6c97b701e910.png?resizew=201)
(1)则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(2)关于
![](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/b520dec579a12baf0d223f45f051c42d.png)
(3)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8735e2de0ec29640d1eff9e043556030.png)
(4)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次