名校
1 . 如图所示,直线
与
轴相交于
点,与
轴相交于
点,直线
与直线
相交于
点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/23/0fb879fb-9041-49be-9764-d17c31b74893.jpg?resizew=128)
(1)请说明
经过点
;
(2)
时,点
是直线
上一点,若
,求点
的坐标;
(3)若点
在第三象限,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527644f53abbcfd2e8457da020cb0262.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/b6dff8a55349332237a10fee05c90a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527644f53abbcfd2e8457da020cb0262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/23/0fb879fb-9041-49be-9764-d17c31b74893.jpg?resizew=128)
(1)请说明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6dff8a55349332237a10fee05c90a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547ca949ea6f238f4e58dde990e0dbda.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6dff8a55349332237a10fee05c90a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/675f1857471314fd8e8918e8e96442ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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名校
2 . 如图,经过点
的直线
与直线
相交于点
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e894101c52591ac320eed1c9b452f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9427de5d22d37859a110dbb234313c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12652efb124f262e3cbefaed4962bb58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0426fabe8cb6365c819e79ee884395.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:河北省保定市清苑区2023-2024学年八年级下学期期中数学试题
河北省保定市清苑区2023-2024学年八年级下学期期中数学试题浙江省宁波市鄞州区高桥镇等四校2023-2024学年八年级上学期期末数学试题浙江省宁波市鄞州区2023-2024学年八年级上学期期末考试数学试题(已下线)专题03 函数及其应用(一次、反比例函数)(4大易错点分析+20个易错点+易错题通关)-备战2024年中考数学考试易错题(江苏专用)河南省 郑州市郑中国际学校2023-2024学年八年级下学期第一次月考数学试题
3 . 已知函数
与
.
(2)求这两个函数的图象交点的坐标;
(3)当
时,对于
的每一个值,函数
的值大于函数
的值且小于
,则
的值为___________.(直接写结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0bbd45a300cd506c9d2bbf8f6ac3498.png)
(2)求这两个函数的图象交点的坐标;
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200849ce71f53c0321506e27de437b8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6312a244f3f9b2d62359bb8d0a86fe87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d6e08526a91f8dfd160e7da2f92a3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 定义:对于一次函数
、
,我们称函数
为函数
、
的“组合函数”.
(1)若函数
为函数
的“组合函数”,求
的值;
(2)设函数
与
的图像相交于点
.
①若
,函数
的“组合函数”图像经过点
,求
的值;
②若
,点
在函数
的“组合函数”图像的上方,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715416015a9634f5eafe3d399987d837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d11983799c973e41ae27f5f2851195f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3cd8d1776341b98631bbf8f8615236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a4c9952d19bf0a44ae89246a85a742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebd4bb79cbb4392c55cc60e6e26589f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90b4ee699a0e3c8d5fafe42d340bccb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071bff9e38bf836ca7c00af6ed63b474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea7e0ac16c02bd211e9926c44e50334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9724cf149ccc974596673c8aaae9558f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719c2f93421097262b3c5ea624737189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9724cf149ccc974596673c8aaae9558f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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5 . 如图,在直角坐标系中,一次函数的图象
与
轴交于点
(
),与
轴交于点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
,与一次函数
的图象
交于点
.
的函数表达式;
(2)直线
与
轴交于点
,求
的面积;
(3)如图,已知长方形
,
,
,
,矩形
的边
在
轴上平移,若矩形
与直线
或
有交点,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/6999c91a4fb64645519432b6f22447d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d88fe72d221e3384b4511505c050168.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6467f25eb97053da6a3cb645c9c28d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/be18d37a5a85628d768de34f316dd761.png)
(3)如图,已知长方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054a8894f35b6fc3e8a0ff415075255d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ecc984d04235bad093e355c6836ce8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab62385b03f83badc730b3fb4c80ed04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4095269a84ac5b6cdfd04274b590e1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054a8894f35b6fc3e8a0ff415075255d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/054a8894f35b6fc3e8a0ff415075255d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
6 . 如图,一次函数
与一次函数
的图象交于点
,则关于x的不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac3396e15a4823f6d6d9d64db20596c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07aff0367c256d10c0fdb7b30b795005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38cc4e8043fb27abccf766c5f314dfe0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68d95ef374129f8007781ae7b50530bb.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8卷引用:河北省石家庄市第四十中学2023-2024学年八年级下学期期中数学试题
河北省石家庄市第四十中学2023-2024学年八年级下学期期中数学试题河北省邯郸市成安县长巷初级中学2023-2024学年八年级下学期期中数学试题河北省石家庄市第四十九中学2023-2024学年八年级下学期期中数学试题吉林省白山市江源区三校2022-2023学年八年级下学期期末数学试题河南省郑州市二七区2023-2024学年下学期八年级数学第一次月考模拟题陕西省西安市长安区一民初级中学2023-2034学年八年级下学期第一次月考数学试题河南省郑州市 荥阳陈中实验学校2023-2024学年八年级下学期第一次月考数学试题(已下线)专题19.16 一次函数与方程、不等式(知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)
7 . 如图,直线
与
轴交于点
,与
轴交于点
,且与直线
平行.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/81411124-32a3-46ec-a247-bf6019528f92.png?resizew=146)
(1)求直线
的解析式;
(2)在
轴上,点
左侧有一点
.
①若线段
,则点
的坐标是
②若直线
过点
,且与
轴的交点在线段
上(包括端点),求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/f3e755804d23862a82d32bd7f901c23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/17/81411124-32a3-46ec-a247-bf6019528f92.png?resizew=146)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)在
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
①若线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a01e2e3d40112fdeeb464f81eaac1c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f2be8f1e796226f1b0fa95f6aea35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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|
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河北省廊坊市霸州市部分学校2022~2023学年八年级下学期期末数学试题安徽省滁州市凤阳县官塘中学2023-2024学年八年级上学期月考数学试题(已下线)第4章 一次函数(单元测试·拔尖卷)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)第6章 一次函数(单元测试·拔尖卷)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)
8 . 如图,在平面直角坐标系中,一次函数
的图象经过点
,且与正比例函数
的图象交于点
.
的值及一次函数
的解析式;
(2)若正比例函数
的图象向上平移
个单位长度后经过点
.求
的值;
(3)直接写出关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e6c8170dd3ad55d366c866dfa21c7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a71456427cf82a02e26476a1eea5d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36f74b9301db837938ac526d55005144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
(2)若正比例函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a71456427cf82a02e26476a1eea5d76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f07948e9258b482a2164ac871f90f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/043132ce8ef3083eb86ab08e0bafc358.png)
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|
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4卷引用:河北省保定市第二中学分校2022~2023学年八年级下学期期中数学试题
河北省保定市第二中学分校2022~2023学年八年级下学期期中数学试题(已下线)专题16.1 期中测试卷(拔尖)-2023-2024学年八年级数学上册举一反三系列(沪科版)(已下线)专题2.13 一元一次不等式与一次函数(分层练习)(提升练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)(已下线)猜想02 一元一次不等式与一元一次不等式组(考题猜想,常考易错6个考点35题专练)-2023-2024学年八年级数学下学期期中考点大串讲(北师大版)
9 . 已知直线
经过点
,且与直线
的图象相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/0d96a216-8240-4942-b302-b99932018a45.png?resizew=243)
(1)直接写出a的值;
(2)求直线
的表达式;
(3)过动点
且垂直于x轴的直线与
、
的交点分别为C,D.当点C总在点D上方时,直接写出n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a109f8365293a6d3c149047d352f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0b12f70dafbd7e0985577ec39119a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b860b27596140b04c50229436a3fb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d2d0ddcfc0d28f47396ce85dd61a591.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/6/0d96a216-8240-4942-b302-b99932018a45.png?resizew=243)
(1)直接写出a的值;
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(3)过动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ef482680a294c90864d00e97d8b099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
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10 . 如图,已知函数
与函数
的图象交于点A,根据图象可知不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e89d92ef67150f56cf832083bd807d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8bef753416d144de0d1cb057670d3dc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/6/8904046f-00f7-49d3-8ead-b69a036e101a.png?resizew=153)
A.![]() | B.![]() | C.![]() | D.![]() |
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