1 . 如图,折线
描述了一辆能源汽车在某一直线公路上的行驶过程中,汽车离出发地的距离
(千米)和行驶时间
(小时)之间的函数关系根据图中提供的信息,给出下列说法,其中正确的说法是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/21/42def2a0-767e-4f96-910c-080118627ae0.png?resizew=239)
A.汽车共行驶了200千米 |
B.汽车在整个行驶过程中停留了0.5小时 |
C.汽车自出发后前3小时的平均行驶速度为60千米/时 |
D.汽车自出发后3小时至4.5小时之间行驶的速度在逐渐减少 |
您最近一年使用:0次
名校
2 . 小明从家里出发去书店购书,步行
分钟到一个离家
米的书店,在书店选书购书用了
分钟,然后步行
分钟返回家.下面图形中表示小明离家的距离
(米)与离家的时间
(分)之间函数关系的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07ae0b4264da6a8812454ffd2f20d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def7f5a19d0608e6bb2ddaaea5a0c965.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53c7539ed297ea63b9ace6f5cc58ca8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b184c94e38f1e5dbe750b2168c2a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-08-18更新
|
204次组卷
|
3卷引用:重庆市北碚区2022-2023学年八年级下学期期末数学试题
重庆市北碚区2022-2023学年八年级下学期期末数学试题(已下线)专题05 一次函数的图象与性质(十一种考法)-【好题汇编】备战2023-2024学年八年级数学上学期期末真题分类汇编(北师大版)云南省红河哈尼族彝族自治州开远市第一中学校2023-2024学年八年级下学期期中数学试题
3 . 在平行四边形
中,
,
,
,点P从A点出发,沿着
做匀速运动,到达点D时,停止运动,过点P作
,交直线
于点Q,设点P的运动路程为x,线段
的长为y(点P与点A,D重合时,
的长为0).
(1)请直接写y与x的间的函数表达式,注明自变量x的取值范围,并在给出的平面直角坐标系中画出y的函数图象;
(2)请写出函数y的一条性质;
(3)结合图象,在点P的运动过程中,当线段
的长
时,自变量x的取值范围为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4853b4705dee3de86e18a346ee3ae853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be742533a98206940a01156e5cd9ae30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/26/598f23c2-521f-4804-b78e-75339d5f3d62.png?resizew=712)
(1)请直接写y与x的间的函数表达式,注明自变量x的取值范围,并在给出的平面直角坐标系中画出y的函数图象;
(2)请写出函数y的一条性质;
(3)结合图象,在点P的运动过程中,当线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec336faee8689281a6f6b465e7fcff9.png)
您最近一年使用:0次
名校
4 . 小强和爷爷去爬山,爷爷先出发一段时间后小强再出发,途中小强追上了爷爷并最终先爬到山顶,两人所爬的高度
(米)与小强出发后的时间
(分钟)的关系如图所示,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eabd5f3a86afe49dcd70571e2b96cfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() ![]() |
B.山的高度是480米 |
C.爷爷比小强先出发20分钟 |
D.小强爬山的速度是爷爷的2倍 |
您最近一年使用:0次
2023-08-12更新
|
186次组卷
|
8卷引用:重庆市綦江区2021-2022学年九年级上学期期末数学试题
5 . 如图,在
中,
,点D是
的中点,
.点P从点B出发,沿
方向移动到点C停止(点P可与线段端点重合),过点P作
交
于点Q,设点P的运动路程为x,线段
的长度为
.请回答以下问题:
(1)直接写出
与x之间的函数关系式,并注明自变量x的取值范围;
(2)在直角坐标系中画出
与x的函数图象,并写出该函数的一条性质;
(3)若
的函数图象如图所示,结合你画出的
与x的函数图象,直接写出当
时,自变量x的取值范围.(保留一位小数,误差不超过
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aac0052863b3f85bd6ae91d42720ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1da0304251a6a0966cd5238660dfa9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/902f24325565a9dd95128a633a240da2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/21/8bbef044-7178-4a2f-bd46-2279f9633b6a.png?resizew=321)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/9ccce249-1b5d-4e20-8e50-ca2e465932de.png?resizew=201)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(2)在直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424be0f19cb65f984169be8f8ec362e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be542aa319f37703659e3820cfc0311.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
您最近一年使用:0次
6 . 小明从图书馆步行回家,途中经过文具店购买文具后,继续以原速度步行回家.小明离家的距离S(米)和所用时间t(分)之间的关系如图所示,则小明的步行速度约为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/20/0b06b38c-201e-4c6e-9927-58a852c65b0a.png?resizew=173)
A.40米/分 | B.50米/分 | C.60米/分 | D.120米/分 |
您最近一年使用:0次
7 . 成渝地区双城经济圈建设是西部第一个超大城市群区域一体化发展战略,现如今已经呈现了巨大的发展活力,成渝地区双城经济圈乘势跃升,将以更大的影响力辐射带动西部地区整体发展,为新发展新格局做出更大贡献.甲新能源汽车从重庆A地匀速前往成都
地,中途在服务区停止
给车充电,随后继续出发直至到达,乙燃油车从成都
地沿同一公路匀速前往重庆
地,到达后停止,中途不停止.甲乙两车同时出发,两车之间的路程
与出发时间
之间的关系如图所示,则甲新能源汽车的速度为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad17d5a4dd7e667eba2e66b44a981c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98020c762bb0bd7f24f82f927be8227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a376791a014497632cd7435dc83f4e31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd9242efa2facde4d7c79ff0c1b00ea.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/6/bb390049-5f3f-44c3-b329-66301a08be49.png?resizew=173)
您最近一年使用:0次
8 . 如图,
中,
,
,
,动点P从点A出发,沿着折线
匀速运动,到达C点时停止,设点P运动路程为x,
的面积为y(动点P在点A和点C时,
的面积记为0).
(1)请直接写出y关于x的函数表达式,并注明自变量x的取值范围;
(2)在平面直角坐标系中画出y与x的函数图象,并写出它的一条性质;
(3)根据图象直接写出当
时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd66776565f049eb453c14fcaf79234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbfcae2cecc98e2d6c16dde6d3ec1c1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/6/0407d9db-e91a-4314-9bb8-b4f48028d43b.png?resizew=314)
(1)请直接写出y关于x的函数表达式,并注明自变量x的取值范围;
(2)在平面直角坐标系中画出y与x的函数图象,并写出它的一条性质;
(3)根据图象直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f4157fbad7c6bfbc58be757a431136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-08-01更新
|
422次组卷
|
4卷引用:重庆市南川区2022-2023学年八年级下学期期末数学试题
9 . 在
中,
,
,
,点
,
分别从点
,点
同时出发,点
沿
以每秒
个单位长度速度运动,点
以每秒
个单位长度的速度沿
运动,点
到达点
时点
同时停止运动.点
的运动时间为
秒,
的面积记为
,面积
的记为
,回答下列问题:
(1)求出
,
与
之间的函数表达式并写出自变量的取值范围;
(2)在平面直角坐标系中画出
,
的图象,并写出函数
的一条性质;
(3)当
时,直接写出t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d0984bb4715e5e6100153012ddc5c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba837391bb4af88a9a5042248b81e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e668a1d0d7252f4b52c3f34ddf402a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/13/57f4b497-5948-4bd4-bb41-554718bfa9f2.png?resizew=376)
(1)求出
![](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/36a1b09c653185842513e24ebba60bb3.png)
(2)在平面直角坐标系中画出
![](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/54015ff5b49e3283901da1291b6b921d.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac67e9a909472ab852d38d2ec66a1e1.png)
您最近一年使用:0次
名校
10 . 六一儿童节,爸爸妈妈带着潇潇从家出发匀速步行前往江北嘴大剧院户外广场欣赏“亲子户外江畔音乐会”,三人在途中的礼品店买了礼物后,发现音乐会即将开始.于是三人以更快的速度匀速跑步前往,最后准时到达.下面能反映潇潇离家的距离
与时间
的关系的大致图象是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次