直线
和
直线分别交y轴于A、B两点,两直线交于点
.
(1)求m,k的值;
(2)求
的面积;
(3)根据图像直接写出当
时x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31bc4f6677c35728908f8717db23ee6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d60ce87690064a7d436d94e6b307931.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458ee4d93e21ec4ded0a7635b1feeeaa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/2f347f80-47e0-4327-b4bf-f2cc09f718c6.png?resizew=140)
(1)求m,k的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)根据图像直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
23-24八年级上·黑龙江大庆·期中 查看更多[4]
黑龙江省大庆市肇源县西片2023-2024学年八年级上学期期中考试数学试题浙江省衢州市柯城区实验学校教育集团2023-2024学年八年级上学期数学期末模拟试题(已下线)第2章 一元一次不等式和一元一次不等式组(单元测试·基础卷)-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)专题03 一元一次不等式与一次函数(五大题型)(题型专练)-2023-2024学年八年级数学下册《知识解读·题型专练》(北师大版)
更新时间:2023-11-28 21:26:52
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【推荐1】在平面直角坐标系
中,直线
经过点
,
.
(1)求
和
的值:
(2)将点
向右平移到
轴上,得到点
,设点
关于原点的对称点为
,记线段
与线段
为图形
.若双曲线
与图形
恰有一个公共点,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/bebb3b7f47e0decd48e64cb32aaa5903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5343f6dee6d12906b09ff03166350a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cbc3789c024db2cf78d2500acad117.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)将点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
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【推荐2】如图,在平面直角坐标系中,O为坐标原点,直线
交x轴的负半轴于点A,交y轴的正半轴于点B,
,点C在x轴的正半轴上,
,点D在第四象限的直线
上,
于点E,
.
![](https://img.xkw.com/dksih/QBM/2022/10/24/3094765868859392/3096762494935040/STEM/f8933e980ec0472596ee12ce8fb393ce.png?resizew=114)
(1)求直线
的解析式;
(2)求点D的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07565f10847840e0fb07b05218ad17fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c406e7d1e7977dd5b30ef81cfdc8e8d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacc72119139a8d891ba5b7de6c7332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6697ff2e6731c7bc666ce7a384daef3b.png)
![](https://img.xkw.com/dksih/QBM/2022/10/24/3094765868859392/3096762494935040/STEM/f8933e980ec0472596ee12ce8fb393ce.png?resizew=114)
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求点D的坐标.
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【推荐1】已知一次函数
,当m为何值时,
(1)y随x值的增大而减小?
(2)一次函数的图象与直线
平行?
(3)一次函数的图象与x轴交于点
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5869a8575c456bf816b6634efa6f0e16.png)
(1)y随x值的增大而减小?
(2)一次函数的图象与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
(3)一次函数的图象与x轴交于点
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【推荐2】如图,直线
与
交于点
,与
轴分别交于点
,
.
的坐标;
(2)点
在直线
上,若
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3677e7eb3c26ab0b4de63437f4d4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3677e7eb3c26ab0b4de63437f4d4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/252e03882ca622e3077b78019d196a24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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【推荐1】已知一次函数
(k为常数,k≠0)和
.
(1)当k=﹣2时,若
>
,求x的取值范围;
(2)当x<1时,
>
.结合图像,直接写出k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4689e9b7087b8bdc4df4e9f5019cfe42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b16cc643e283081a3b29e9795a80c649.png)
(1)当k=﹣2时,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)当x<1时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
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【推荐2】如图,根据图中信息回答下列问题:
(1)关于
的不等式
的解集是______;
(2)关于
的不等式
的解集是______;
(3)当
时,
的取值范围是______.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/e6ee7582-3881-4a2c-9344-8b2063256b1b.png?resizew=189)
(1)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae6c08e4c2f5db9a595dcdbd99f9896.png)
(2)关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9611049e51b4ad17bdcb6bf1549593.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a7d6f54bf58a7a4f4ce61e06aefa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐1】按要求完成下列问题.
(1)根据所学知识,在同一坐标系内作出函数
与
的图象:
(2)求方程
的解;
(3)求(1)中两函数所围成的图形的面积.
(1)根据所学知识,在同一坐标系内作出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3cbbe891e2d35fce2bee8b1dcaa0c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e091cface0c4a22727634eb480562d6.png)
(2)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c616dce27e7046abef37f48d5b88a29b.png)
(3)求(1)中两函数所围成的图形的面积.
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【推荐2】已知一次函数
.
(2)设函数
的图象与
轴交于点
,与
轴交于点
,求
的面积;
(3)利用图象直接写出:当
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30fd97fafb3779aa4f4660f41e2939.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/866b81a8384cce4f24867baca2e6820c.png)
(3)利用图象直接写出:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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