1 . 一次函数
与
的图象如图所示,下列结论:①当
时,
,
;②函数
的图象不经过第一象限;③
;④
.其中正确的个数是( )
![](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/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcdb7671e6056d842cdc88fb523467f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1e005baa1be0da8cdf9173a9a46bd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ac52af992b67494b11c6540d24c0f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c08b03a213e2b069c7cafc9da0776cce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b8d22da65efe8950679651452e1311.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2024-02-05更新
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6卷引用:广东省深圳市南山区第二外国语学校2023-2024学年八年级下学期月考数学试题
广东省深圳市南山区第二外国语学校2023-2024学年八年级下学期月考数学试题山东省泰安市泰山区2023-2024学年七年级上学期期末数学试题安徽省亳州市蒙城县部分学校2023-2024学年八年级上学期期末数学试题安徽省亳州市谯城区2022-2023学年八年级上学期期末数学试题(已下线)第06讲 一次函数与方程、不等式(3个知识点+3类热点题型讲练+习题巩固)-【帮课堂】2023-2024学年八年级数学下册同步学与练(人教版)(已下线)专题07+一次函数(十大题型)-【好题汇编】02备战2023-2024学年八年级数学下学期期末真题分类汇编(山东专用)
2 . 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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2卷引用:河北省廊坊市2023-2024学年八年级下学期第三次月考数学试题
3 . 如图,函数
和
图象相交于点
,则不等式
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c1386365c3282c147d24b2b463107e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a8e26b51e12f65b00abfe3977371a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8c441c0cab7ea4a30e3df1302a82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/871f75d9a42b118d22a47759a239e4b0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/a7bb9231-f3b7-4aab-aad3-2af4c17cba25.png?resizew=172)
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4 . 定义:
叫做关于直线
的“分边折叠函数”.
(1)已知“分边折叠函数”![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79084030a6c41021dd4a5f49584ba511.png)
①直接写出该函数与y轴的交点坐标;
②若直线
与该函数只有一个交点,求t的取值范围;
(2)已知“分边折叠函数”
的图像被直线
与y轴所夹的线段长为
,则k的值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04cbe560cc71c3bafecd7c7a5a9ec411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
(1)已知“分边折叠函数”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79084030a6c41021dd4a5f49584ba511.png)
①直接写出该函数与y轴的交点坐标;
②若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/254d0e3be93b3a32e45f3cd1f8c44891.png)
(2)已知“分边折叠函数”
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f80d30b8e18439591d81c15a6d78e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd88e34c9f13d2790aab3fc3b6741c5.png)
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名校
5 . 如图,直线
分别交x轴,y轴于点
.直线
分别交x轴,y轴于点C,D,与直线
相交于点E,已知
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/b5e35db8-f6fb-4b1a-86d2-ae162a25b002.png?resizew=198)
(1)求直线
的表达式;
(2)求
时,x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb61dc52992c91cb4eed698a4f4e0b25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b44736dccf1e081a14d8765a591b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2904d86debea3ddcbd47ce13a1dfae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bdce4f15c156b8235fdec93bb4cf012.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/b5e35db8-f6fb-4b1a-86d2-ae162a25b002.png?resizew=198)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
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2024-01-27更新
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6卷引用:陕西省西安市西光中学2023-2024学年八年级下学期月考数学试题
陕西省西安市西光中学2023-2024学年八年级下学期月考数学试题安徽省滁州市天长市2023-2024学年八年级上学期期末数学试题安徽省滁州市全椒县2023-2024学年八年级上学期期末联考数学试题(已下线)专题2.12 一元一次不等式与一次函数(分层练习)(基础练)-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)安徽省蚌埠新城实验学校2023-2024学年八年级下学期开学考试数学试题(B卷)(已下线)专题2.21 一元一次不等式和一元一次不等式组(全章分层练习)(基础练)-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)
名校
6 . 一次函数
(
)的图像过点
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e10eb41754e40597840588d0ae13dd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b25f4bfe3cf28e2172b28f2e28f1b68.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5卷引用:江苏省无锡市宜兴市桃溪中学2023-2024学年九年级下学期第一次月考数学试题
江苏省无锡市宜兴市桃溪中学2023-2024学年九年级下学期第一次月考数学试题安徽省马鞍山市第七中学2023-2024学年八年级上学期期末数学试题2024年陕西省西安市西安高新第一中学中考二模数学试题2024年陕西省渭南市富平县中考一模数学试题(已下线)第06讲 一次函数与方程、不等式(3个知识点+3类热点题型讲练+习题巩固)-【帮课堂】2023-2024学年八年级数学下册同步学与练(人教版)
名校
7 . 一次函数
(
,k、b是常数)与
(
,m是常数)的图像交于点
,下列结论正确的序号是________ .
①关于
的方程
的解为
;
②一次函数
(
)图像上任意不同两点
和
满足:
;
③若
(
),则
;
④若
,且
,则当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984a05bd6290268385908dba6872eaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/730f783fd11809826834d73585201d73.png)
①关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a808855e32a86e0b1b3c5b6e02fa3bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
②一次函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/984a05bd6290268385908dba6872eaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0baedc4d7e690ab3f7d80d30ba0a9efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117fafe256834a36aa05a4c560d0c8e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/022a4f7b6d5eb15535d99a93efce3c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b541bf8bb9eb32b9e7b951084d34493f.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0d964a89a9620ef72f00ef99e8fb4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939a663176acba10401782b7fe13a7e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/170932c0d6156799d81b12a2748983ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c925c4283740ce6cc412c1c5f57b0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
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4卷引用:福建省福州第四十中学2023-2024学年八年级下学期月考数学试题
8 . 如图,直线
与直线
交于点
,则关于
的不等式
的解集是____________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f775813f526470cc4ffa5b4a807e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9479fefcb2f3c7f1c3f6a514e9d68e46.png)
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2卷引用:贵州省六盘水市知见外国语学校2022-2023学年八年级下学期第二次月考数学试题
9 . 如图,直线
与直线
相交于点
.
(1)求
的值;
(2)直接写出关于
的不等式
的解集;
(3)垂直于
轴的直线
与直线
分别交于点C,D.若线段
长为2,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc2895c0affcb5a43c53f14d97211bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fd1ce56fb4cb1e4f42310898b560b5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6475fbe89a9f73b993466680f7176f5b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/15/a3663753-a60b-4581-8a30-a38eb3b56d1c.png?resizew=186)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c355d1608d8fcbe4cce14cadd5dde8f.png)
(2)直接写出关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23dd86803bca91022d42a4359cd4f28.png)
(3)垂直于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-04-02更新
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2卷引用:江苏省淮安市淮安经济技术开发区开明中学2023-2024学年八年级上学期练习试题
10 . 如图,点A、B的坐标分别为
,直线
与坐标轴交于C、D两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/c989ffae-288d-473d-a3ee-d15a43959967.png?resizew=177)
(1)求交点E的坐标;
(2)直接写出不等式
的解集;
(3)求四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6c33e673ff740206bc6bb4e2baff9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73ecfaeac5db3976fe465b6f3ea977e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/1/c989ffae-288d-473d-a3ee-d15a43959967.png?resizew=177)
(1)求交点E的坐标;
(2)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fe30266cc830ff6653125583209598c.png)
(3)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8980102bfb8611a14e79d7456c7e2301.png)
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