1 . 如图:已知直线
经过点
.
(1)求直线
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,直接写出关于x的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3366ddf11e95dce1aba386500a471cae.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/6/adc1aef1-c903-43e9-a262-07105f19fcdb.png?resizew=182)
(1)求直线
![](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,直接写出关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2641b10bbbc403717a510f4e7b50c1fa.png)
您最近一年使用:0次
2023-08-24更新
|
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2卷引用:安徽省六安市霍邱县2023-2024学年八年级上学期期中数学试题
2 . 函数
和
的图象交于点
,则关于
的不等式
的解集为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a2b4c212450b2a0f77e042c8da13dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b5324645d81b339fa25ccb2951f77e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7742e18d0d1458c4837195ecda64db06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a420addf958397a958a4d46de2e958b.png)
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2023-08-22更新
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3卷引用:安徽省亳州市重点初级中学2023-2024学年八年级下学期第三次月考试数学试题
名校
3 . 如图,在平面直角坐标系中,直线
和
相交于点
,不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca1d77ec7dc7c556e71157838507794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddf1a6605e782f22ef670c448ed9e210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e0b1df570341dc5c2bd0c4b3c3eb1e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/1bf8c30a-6573-4ed5-a7a0-f21ee0ae3ffd.png?resizew=173)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:安徽省马鞍山市第七中学2021-2022学年八年级上学期期末数学试题
名校
4 . 若函数
和函数
的图象如图所示,则关于
的不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1447dbe580ac5c825776995118e75acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8926716bb73d30d6e8c688a7cffd12c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b9598132cdce65a1a15efb7dd85276.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7卷引用:安徽省合肥市庐江县2022-2023学年八年级下学期期末数学试题
安徽省合肥市庐江县2022-2023学年八年级下学期期末数学试题福建省福州第八中学2023-2024学年九年级上学期开学考试数学试题广东省深圳市深圳高级中学2023-2024学年九年级上学期开学考试数学试题四川省眉山市东坡区东坡区苏辙中学2023-2024学年八年级下学期期中4月数学试题四川省内江市第二中学2023-2024学年八年级下学期期中考试数学试题2024年甘肃省武威市凉州区武威五中联片教研九年级中考三模数学试题(已下线)八年级(下)数学期末模拟试卷01-2023-2024学年八年级数学下学期期中期末考点归纳满分攻略讲练(人教版)
5 . 如图,在同一平面直角坐标系中,一次函数
与
,小聪根据图象得到如下结论:
①
;
②关于x,y的方程组
的解为
;
③关于x的方程
的解为
;
④关于x的不等式
的解集是
.
其中结论正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e136e7637543c8ae92c8dcd55b31924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca8659e80596877a3ff58e19dd7477e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc98e03954af7ce4d68368e2786d6314.png)
②关于x,y的方程组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59aae202c01ee3e4410cf9d54a486ef4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c109e2b915bfa755cd8fc4915f05d0ec.png)
③关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48d45dfb5dfc02bfba613085a1cf202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba53065eb180a682305fddb95d14b62f.png)
④关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbbce94881d290f58a1191fa4e0bd2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1babe83333f3486af79840208caec56f.png)
其中结论正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/35703b03-4006-4055-b675-404273d606f4.png?resizew=181)
A.1 | B.2 | C.3 | D.4 |
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6 . 如图,直线
经过点
,与直线
相交于点
,并与
轴相交于点
,其中点
的横坐标为2.
(1)求点
的坐标和
,
的值;
(2)直接写出当
时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e673c5aa17d19a2a9edb7b27a1ef2de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/7a93ea05-16bd-4870-9673-b0a69fb3aa06.png?resizew=117)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4870f91c8ff87d1b8f49477f6354d9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2023-07-21更新
|
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3卷引用:安徽省安庆市2023-2024学年八年级上学期期末数学试题
7 . 如图,一次函数
的图象为直线
,经过
和
两点;一次函数
的图象为直线
,与x轴交于点
,两直线
,
相交于点B.则关于
的不等式
的解集是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d501afbd7542f2f724b658edf39af4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ee47929faac47ec11b9dec0a04b3ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e76cd4b991b4c22866c493d2aaac92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfa5f6310365d7c41dd031d20861f476.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/8/79e5d7c7-f54c-4556-88fb-cb1f41b31b90.png?resizew=124)
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|
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2卷引用:安徽省黄山市2022—2023学年八年级下学期期末数学试题
8 . 如图所示,根据图中信息.
(1)
______;
______;点P的坐标为______.
(2)当x为何值时,
?
(3)求
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/5b9091ca-2089-48c2-b4e8-260588bea9dc.png?resizew=224)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
(2)当x为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5006ad3a066a4bcd852cbf4ebb04dd.png)
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3卷引用: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
9 . 将函数
(
为常数)的图象位于
轴下方的部分沿
轴翻折至其上方后,所得的折线是函数
(
为常数)的图象.在以下四个结论中正确的是______ (填序号).
①当
时,函数
的图象与
轴的交点是
;
②当
时,函数
以的图象与
轴的交点是
;
③不论
为任意常数,函数
的最小值都是0;
④若
图象在直线
下方的点的横坐标
满足
,则
的取值范围为
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebb3b7f47e0decd48e64cb32aaa5903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2859eef86f7d62a7f20b6ce450664c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cca0ec4b4343a6ccd13b652aea1d00c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2859eef86f7d62a7f20b6ce450664c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cca0ec4b4343a6ccd13b652aea1d00c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2859eef86f7d62a7f20b6ce450664c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ae1b361135eaae8d172cb7aa490d6c.png)
③不论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2859eef86f7d62a7f20b6ce450664c.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2859eef86f7d62a7f20b6ce450664c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/107babba45f110012183dc4dc54490f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b94f151c00959a1cd3946e7f8405337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b020b892d4d0a35e53572baf599e643.png)
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10 . 一次函数
和
的图像如图所示,且
,
.
的解集是______;
(2)若不等式
的解集是
,求点B的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed06ccefffc165f9c77250cd28301d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14f5df1d01e5740825285cceaf99ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dd31773f55719ebd91ed3389d0de68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aed512a9453132a67d052436dcf510f4.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8357b27a2b3d2d76de1b31099285cbbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
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4卷引用:安徽省宿州市砀山县第五中学2022-2023学年八年级下学期期中数学试题