1 . 在平面直角坐标系xOy中,一次函数
(
)的图象经过点
和点
.
(1)求一次函数的表达式;
(2)若对于任意的x的值,函数
(
)的值都小于函数
(
)的值,且当
时,函数
(
)的值大于函数
的值,则m,n应满足的条件是 (直接写出答案).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
(1)求一次函数的表达式;
(2)若对于任意的x的值,函数
![](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/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a4d6cd8a88152e3c8ff322df44d551.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/2d585d2d6643471640905d234d9538c5.png)
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2 . 如图,直线
经过点
,点
,直线
经过点A,则不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6ec64d0616c70b9ecb87d645f1962fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a1dae05f42110fde12a61fca98bc408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/401bbfdc73106528abca9c6afdc8719f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/51e9f34d-ea9b-4eb0-9ccb-401c510d2e2e.png?resizew=171)
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3 . 如图,一次函数
的图象与反比例函数
的图象交于
,
两点,与
轴交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/b55f2718-a5d4-4763-8047-1525a34e1cea.png?resizew=179)
(1)求一次函数与反比例函数的解析式;
(2)求
的面积;
(3)直接写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05621b18b7ffc991d9f30380e2e08fea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ebfee8d3fd5d0c4d3b20012e232f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74d5ac181ac39bba72d23198cb44786.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/b55f2718-a5d4-4763-8047-1525a34e1cea.png?resizew=179)
(1)求一次函数与反比例函数的解析式;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(3)直接写出不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baf2d21926a454061f49c0cbaccea977.png)
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4 . 对于平面直角坐标系
中的点
,给出如下定义:当
时,
;当
时
,
叫做点
的“斜值”.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/0e52aaf2-71d1-4a5b-b402-7128ec210910.png?resizew=244)
(1)直接写出点
的“斜值”
的值________;
(2)若点
的“斜值”
,且
,求点
的坐标;
(3)如图,正方形
中,
,
,
,若正方形
的边上存在两个点的“斜值”为
,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b482e778e7547b5b0608655537a18b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1132de2e8913dba9c5cc2396ecb09fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c5f16dd095d9ea79e5dddbb06486d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a46e678bf9d2df5ad4c782b3dc22f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f9b81a3ba5c08310eabc032f76b36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/0e52aaf2-71d1-4a5b-b402-7128ec210910.png?resizew=244)
(1)直接写出点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5eaa3f65e3d6b687290e36fec4a658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a2a34b4317deffa40ba34e269c2b81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0d0caea588e51bfe8433a09632f224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(3)如图,正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf1a6605e782f22ef670c448ed9e210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a032bcc556d3ecbecf690b4f750261ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba2db18777373703f0c44e02ca917280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 在平面直角坐标系
中,一次函数
的图象与函数
的图象平行,且经过点
.
(1)求这个一次函数的解析式;
(2)当
时,对于
的每一个值,函数
的值大于一次函数
的值,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
(1)求这个一次函数的解析式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b83a660527359758db64e6566466293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1082caf853f8326dda20b5653dce924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e114459637a3db306e91b5e9ee9aae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
6 . 已知直线
经过点
,
.
的解析式;
(2)若直线
与直线
相交于点C,求点C的坐标;
(3)根据图象,写出关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b444ea61e3672449343241427c575f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e61e01cb9cbb92c246c15223b9e77ae9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)根据图象,写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d8d0371ee9b30d661800e3f8fa0d7b.png)
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2024-04-23更新
|
795次组卷
|
13卷引用:北京十一实验中学2023-2024学年八年级下学期期中数学试题
北京十一实验中学2023-2024学年八年级下学期期中数学试题浙江省宁波市江北区2021-2022学年八年级上学期期末数学试题(已下线)2.5 一元一次不等式和一次函数-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(北师大版)贵州省贵阳市南明区第一实验中学2021-2022学年八年级下学期期中数学试题浙教版八年级上册第五章一次函数单元测试数学试题山东省德州市齐河县胡官屯镇富足店中学2022-2023学年八年级下学期第二次月考数学试题吉林省白城市通榆县2022-2023学年八年级下学期期末数学试题广西壮族自治区南宁市第三中学2022-2023学年八年级下学期6月月考数学试题安徽省亳州市蒙城县2023-2024学年八年级上学期期末数学试题(已下线)四川省广安市武胜县武胜县西关初级中学校2022-2023学年八年级下学期期末数学试题(已下线)考题猜想4-2一次函数(重难点,二元一次方程(组)与一次函数的四种常见应用)-2023-2024学年八年级数学下学期期末考点大串讲(人教版)江西省宜春实验中学2023-2024学年八年级下学期月考数学试题(已下线)专题03+一元一次不等式和一元一次不等式组2
7 . 一次函数的图象经过点
和
.
(1)求这个一次函数的表达式;
(2)若直线
与该一次函数的图象相交,且交点在第三象限,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110d3e40e0fbb017ec72c3d9923ae624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1a65d88f9823d49da8f3b96ea9ec6f.png)
(1)求这个一次函数的表达式;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cac71c69ac81a51bc58dec65f6c2186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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名校
8 . 如图,在平面直角坐标系
中,直线
:
与直线
平行,且过
点,直线
与
轴交于点
.
(1)求直线
的解析式;
(2)直线
:
与直线
交于点
,与
轴交于点
.
①求点
的坐标;
②求线段
的长;
③过点
作垂直于
轴的直线,与
,
交点的横坐标分别为
,
,当
时,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5511a368692de27c58ec48ce968de4a4.png)
![](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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/bce798f7-3440-46c8-ad71-7d5c6da2bd0f.png?resizew=145)
(1)求直线
![](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/812eed46a589bde8b7c78a81a8cf9b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
②求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
③过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597debe26d5b915115d47993e14f97c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99dceeb249829b73e41fb1c5e76122d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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9 . 在平面直角坐标系
中,函数
(
)的图象过点
,
,且与y轴交于点A.
(1)求该函数的解析式及点A的坐标;
(2)当
时,对于x的每一个值,函数
的值小于函数
(
)的值,n的取值范围是________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560ab719df4b08d983743834d6d2bbc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccc8350b12974ffc8d06fce36d158f02.png)
(1)求该函数的解析式及点A的坐标;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5848d7371b15965ab8990329fe04bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
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10 . 在平面直角坐标系xOy中,一次函数
的图象平行于直线
,且经过点
.
(1)求这个一次函数的表达式;
(2)当
时,对于x的每一个值,一次函数
的值大于函数
的值,直接写出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
(1)求这个一次函数的表达式;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7e4dcebd24c843379926de9c0b780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bd116a9099f5aaa0f04775c5b92dc7.png)
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