1 . 根据学习一次函数的经验,对函数
的图像和性质进行研究,探究过程如下,请补充完整.
(1)自变量
的取值范围是全体实数.下表是
与
的几组对应值:
其中,
______;
(2)在所给的平面直角坐标系
中,已经根据表格信息画出了部分图像,请你描出以上表中以其他各对对应值为坐标的点,补全函数图像;
(3)观察以上函数图像发现,
当
时,
随
的增大而减小;当
时,
随
的增大而______;
(4)结合图像进一步探究,
①不等式
的解集是______;
②若关于
的方程
的解是负数,则
的取值范围为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bb87ed183074eebbb08bf20d8042a0f.png)
(1)自变量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![]() | … | ![]() | 0 | 1 | 2 | 3 | 4 | 5 | 6 | … |
![]() | … | 4 | 3 | 2 | 1 | 0 | ![]() | 2 | 3 | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
(2)在所给的平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/30/44c4a3c2-c1ae-4a69-9fba-975f04fff822.png?resizew=241)
(3)观察以上函数图像发现,
当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b83a660527359758db64e6566466293.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a4a7af57545523159f8c77e10f6f915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)结合图像进一步探究,
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0152024dcdab4266eee3d97f9719cfc.png)
②若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/296fe7ec96c7c2108cb88ae897e17302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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2 . 某班“数学兴趣小组”根据学习一次函数的经验,对函数y=|x-2|的图像和性质进行了研究.探究过程如下,请补充完整.
(1)自变量x的取值范围是全体实数.下表是y与x的几组对应值:
其中,m= ;
(2)如下图,在平面直角坐标系xOy中,描出了以上表中各对对应值为坐标的点,并画出了函数图像的一部分,请画出该函数图像的另一部分;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/399a106d-0df6-4059-8774-cab411a72d71.png?resizew=279)
(3)观察函数图像发现,该函数图像的最低点坐标是 ;
当x<2时,y随x的增大而减小;当x≥2时,y随x的增大而 ;
(4)进一步探究,
①不等式|x-2|≥1.5的解集是 ;
②若关于x的方程|x-2|=kx (k≠0)只有一个解,则k的取值范围是 .
(1)自变量x的取值范围是全体实数.下表是y与x的几组对应值:
x | … | -3 | -2 | -1 | 0 | 1 | 2 | 3 | 4 | 5 | … |
y | … | 5 | 4 | m | 2 | 1 | 0 | 1 | 2 | 3 | … |
(2)如下图,在平面直角坐标系xOy中,描出了以上表中各对对应值为坐标的点,并画出了函数图像的一部分,请画出该函数图像的另一部分;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/11/399a106d-0df6-4059-8774-cab411a72d71.png?resizew=279)
(3)观察函数图像发现,该函数图像的最低点坐标是 ;
当x<2时,y随x的增大而减小;当x≥2时,y随x的增大而 ;
(4)进一步探究,
①不等式|x-2|≥1.5的解集是 ;
②若关于x的方程|x-2|=kx (k≠0)只有一个解,则k的取值范围是 .
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2022-08-08更新
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353次组卷
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3卷引用:北京市燕山地区2021-2022学年八年级下学期期末质量监测数学试题
名校
3 . 如图是一个“函数求值机”的示意图,其中
是
的函数.下面表格中,是通过该“函数求值机”得到的几组
与
的对应值.
根据以上信息,解答下列问题:
(1)当输入的
的值为6时,此时输出的
的值为 ;
(2)当输出的
的值满足
时,求输入的
的值的取值范围;
(3)若输入
的值分别为
,
,对应输出
的值分别为
,
,是否存在实数
,使得
恒成立?若存在,请直接写出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/d053b14c8588eee2acbbe44fc37a6886.png)
输入x | … | ![]() | 0 | 2 | … | 8 | … |
输出y | … | ![]() | ![]() | 0 | … | ![]() | … |
(1)当输入的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)当输出的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f485e733b3cb2a50229eb1c4088d36c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)若输入
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3354269baaffd727561b0fdd5b0822d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 有这样一个问题:探究函数
的性质.
(1)先从简单情况开始探究:
①当函数为
时,
随
增大而_______
填“增大”或“减小”
;
②当函数为
时,它的图象与直线
的交点坐标为_______;
(2)当函数为
时,如表为其
与
的几组对应值,则
_______.
①如图,在平面直角坐标系
中,描出了该函数部分对应值为坐标的点,请大致画出该函数的图象;
的解可能为_______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcc9cf7736593bfeb8c3c04918cef37.png)
(1)先从简单情况开始探究:
①当函数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dd668909c71dd862ee7670caf96a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
②当函数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd6159222d136ac8941a4028657e60e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(2)当函数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fcc9cf7736593bfeb8c3c04918cef37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6ae778fbf8471a73d9aeccbf0dd16b.png)
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2022-10-28更新
|
234次组卷
|
3卷引用:2022年北京市海淀区第十九中学中考数学零模试卷
5 . 下表是一次函数
(
,
为常数,
)中
与
的两组对应值.
(1)求这个一次函数的表达式;
(2)已知直线
,当
时,对于
的每一个值,都有
,直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![]() | ![]() | 0 |
![]() | ![]() | ![]() |
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4022404158a19da85fe55773ebd331a.png)
![](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/237b05fdec7785c277940cfa0adb05f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 有这样一个问题:探究函数
的图象与性质.下面是小明的探究过程,请补充完整:
(1)函数
的自变量
取值范围是__________;
(2)下表是
与
的几组对应值,求
的值;
(3)在下面网格中,建立平面直角坐标系
,描出上表中各对对应值为坐标的点,并画出该函数的图象;
(4)小明根据画出的函数图象,得出了如下几条结论:
①函数有最小值为0;
②当
时,
随
的增大而增大;
③图像关于过点
且垂直于
轴的直线对称.
小明得出的结论中正确的是_________________________.(只填序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78d860493f5be44c5db1d70b16ba3c2.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f78d860493f5be44c5db1d70b16ba3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)下表是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![]() | … | ![]() | ![]() | ![]() | ![]() | ![]() | 0 | 1 | 2 | 3 | … |
![]() | … | 6 | 5 | 4 | ![]() | 2 | 1 | 0 | 1 | 2 | … |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/d1ea222c-5b85-4cca-ab70-a56ebce73587.png?resizew=154)
(4)小明根据画出的函数图象,得出了如下几条结论:
①函数有最小值为0;
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
③图像关于过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
小明得出的结论中正确的是_________________________.(只填序号)
您最近一年使用:0次
2023-08-08更新
|
139次组卷
|
2卷引用:北京工业大学附属中学2022—2023学年八年级下学期期中数学试题
7 . 如图,点
与
分别是两个函数图象
与
上的任一点.当
时,有
成立,则称这两个函数在
上是“相邻函数”,否则称它们在
上是“非相邻函数”.例如,点
与
分别是两个函数
与
图象上的任一点,当
时,
,通过构造函数
并研究它在
上的性质,得到该函数值得范围是
,所以
成立,因此这两个函数在
上是“相邻函数”.
(
)判断函数
与
在
上是否为“相邻函数”,并说明理由.
(
)若函数
与
在
上是“相邻函数”,求
的取值范围.
(
)若函数
与
在
上是“相邻函数”,直接写出
的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c786001d7094e6a586db070f601389e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a23b39160a73cf625673aa60387ac78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcb50f155690f7d2f67c72eac4638be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b921a3fdffd647f8f26a8a701589aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcb50f155690f7d2f67c72eac4638be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fcb50f155690f7d2f67c72eac4638be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c786001d7094e6a586db070f601389e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a23b39160a73cf625673aa60387ac78.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c1212804e6d784756d48083d166e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0e212cdbfba6610bc55df2c1a737407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0c0d5ff048d05f8e478977c582222d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b135e13ac78d70262168bfd69da6f27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0c0d5ff048d05f8e478977c582222d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1266be1c76a0fee261812379df7b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88b921a3fdffd647f8f26a8a701589aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa0c0d5ff048d05f8e478977c582222d.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd1dcfe0c394b37a58b20c3b8123d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f2222b10f3189590dfa35385970ce40.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1078e43cbf5e587c89364d340f0dda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c251935d2cfd0fcede0bcf988b35b1e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966d9dd819cba29980da3700422c2497.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7a43be4e234807e6cdd7f69d14e1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95842ad442c7f6d5ec4b32939b929e63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/2017/9/7/1769126537773056/1771758792237056/STEM/5b0f0d4cdafd4106925d88696385de8a.png?resizew=245)
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名校
8 . 在平面直角坐标系
中,对于线段AB与直线
,给出如下定义:若线段AB关于直线l的对称线段为
(
,
分别为点A,B的对应点),则称线段
为线段AB的“
关联线段”.
已知点
,
.
(1)线段
为线段AB的“
关联线段”,点
的坐标为
,则
的长为______,b的值为______;
(2)线段
为线段AB的“
关联线段”,直线
经过点
,若点
,
都在直线
上,连接
,求
的度数;
(3)点
,
,线段
为线段AB的“
关联线段”,且当b取某个值时,一定存在k使得线段
与线段PQ有公共点,直接写出b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f24e616b5a35ff372c78c1472f156ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc6386aa9a117b4c036eacf457a68dc.png)
已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c59f0e35b7ae5206e45878934482b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87859748d7c7d665df7d430856bae01.png)
(1)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2911984487742f5f7185b8b5820b295d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a5a18c91ab7b64931d940092d0220a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5558ffa6dc28d437c0467c7f361d444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48fce10478485ef01d2318fc3465bb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8540af783d3f34b75bb5e7535e3e154.png)
(3)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f4ec943ad1319d9df9ead145195817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b23137dedeb4fd08055e850ab01c091f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc6386aa9a117b4c036eacf457a68dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
您最近一年使用:0次
2022-05-30更新
|
754次组卷
|
5卷引用:2022年北京西城区九年级二模考试数学试卷
2022年北京西城区九年级二模考试数学试卷(已下线)2022年北京市中考数学变式题17-22(已下线)2022年北京市中考数学真题变式汇编3北京市第十三中学分校2023~2024学年九年级下学期月考数学试题2024年北京市第一零一中学温泉校区中考零模数学试题
名校
9 . 在平面直角坐标系
中,对于
,
两点给出如下定义:若点
到两坐标轴的距离之和等于点
到两坐标轴的距离之和,则称
,
两点为同族点.如下图中的点
,
两点即为同族点.
的坐标为
.
在点
,
,
中,为点
的同族点的是 ;
若点
在
轴上,且
,
两点为同族点,则点
的坐标为 ;
(2)已知直线
:
与
轴交于点
,与
轴交于点
,点
为直线
上的一个动点.
若点
为线段
上一点时,已知点
是
轴上的一个动点,过点
作
轴的垂线
,直线
上存在点
,使得点
,
两点为同族点,求
的取值范围;
若以
,
,
,
为顶点的正方形上存在点
,使得点
,
两点为同族点,直接写出 m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ddd46c180401ad4e86b9ef4d5883721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bae9f680e3c772a0873d63f535e1273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d737b8a0acffe2843efe589de33d77fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2262fce5b493bd87d7338cfd87dcf29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e235d7dd12f948f5ffb2e5afddc95612.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1c9ae241fd78126274c65e17990c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ef482680a294c90864d00e97d8b099.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c650fe55b7603f106c53ca2423451c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b219f88e7396db4bdb0a6fe070fe87a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845c3832ea65f64bdb23ef056464678e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cccfb281fa5e2d556cec3220dd2555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b80faf66c4365ff61575abe2dd03d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
您最近一年使用:0次
名校
10 . 已知一次函数
(
,
为常数且
)的图象经过点
和
轴上一点
,且与
平行.
(2)当
时,请结合图象,直接写出
的取值范围___________;
(3)若点
在直线
上,且
的面积等于
,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c56d783330fe4203d3bac99ef932de90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976968bee12bcb50dea41b49fea8461c.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/38cd2a180ae300bbf2388a709e4c28e6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd5e63fa07bbfcc6d5b1b68716d8c731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2023-06-30更新
|
515次组卷
|
2卷引用:北京市第二中学分校2022-2023学年八年级下学期期末数学试题