1 . 如图,在矩形
中,
,
,点P从点B出发,沿折线
运动,当点P运动到点A时停止运动.设点P运动路程为x,
的面积为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/ba439ef7-989f-4198-871a-7434309f93bc.png?resizew=401)
(1)直接写出
与x的函数关系,并注明x的取值范围;
(2)在给出的平面直角坐标系中画出
的函数图象,并写出它的一条性质;
(3)函数
的图象如图所示,请利用图象,直接写出当
时,自变量x的值.(结果精确到0.1,误差不超过0.2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315c631a0924534a945af0bade30ca06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998cf61f4b1bc52ecfdc84fbc0e25550.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/5/ba439ef7-989f-4198-871a-7434309f93bc.png?resizew=401)
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(2)在给出的平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cf643df5a0350d7b26b28c797eeca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292c47f62023b747f1a4bd615c75284.png)
您最近一年使用:0次
2024-03-03更新
|
93次组卷
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2卷引用:重庆市铜梁区铜梁区巴川初级中学校2023-2024学年九年级上学期第一次月考数学试题
2 . 如图,在等腰中,
,
,D为
上一点,
,动点P从点A出发,沿着
方向运动至点B处停止.连接
、
,设点P的运动路程为x,
的面积为y.
(1)直接写出y与x的函数表达式,并写出自变量x的取值范围;
(2)请在图2中画出函数y的图像,并写出该函数的一条性质;
(3)图2中已经画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21fdff6ab3385f0a3c85206e6808d68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cccd1f9e838f8065f004ac14377b8a.png)
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2024-02-05更新
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150次组卷
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3卷引用:重庆市开州区开州文峰教育集团2023-2024学年九年级下学期3月月考数学试题
名校
3 . 如图1,△ABC中,
,
,
.动点E以每秒1个单位长度的速度从点C出发向点B运动.到达点B后,又以每秒2个单位长度的速度返回点C.点E回到点C时停止运动.连接
,设运动时间为t秒,
的面积为y.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/d9890a1e-d751-432c-b74e-372c1ea38e88.png?resizew=356)
(1)请分别求出当
时,当
时y关于t的函数表达式;
(2)在给定的平面直角坐标系(如图2)中画出这个函数的图象,并写出该函数的一条性质;
(3)结合函数图象,求出
的面积为3时t的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/8/d9890a1e-d751-432c-b74e-372c1ea38e88.png?resizew=356)
(1)请分别求出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500c7a673992ae28fcadb70d1198cc53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c53854fbf33d7aebb34e1ade1abcdd8.png)
(2)在给定的平面直角坐标系(如图2)中画出这个函数的图象,并写出该函数的一条性质;
(3)结合函数图象,求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
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2024-02-05更新
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3卷引用:重庆市沙坪坝区第七中学校2023-2024学年九年级上学期10月月考数学试题
重庆市沙坪坝区第七中学校2023-2024学年九年级上学期10月月考数学试题(已下线)数学(重庆卷)-学易金卷:2024年中考第一次模拟考试山东省济南市槐荫区2023-2024学年八年级上学期期末数学试题
名校
4 . 为使我市冬季“天更蓝、房更暖”,政府决定实施“煤改气”供暖改造工程,现甲、乙两工程队分别同时开挖两条600米长的管道,所挖管道长度y(米)与挖掘时间x(天)之间的关系如图所示.
(2)挖掘几天时甲、乙两队所挖管道长度相同?
(3)甲队比乙队提前几天完成任务?
(2)挖掘几天时甲、乙两队所挖管道长度相同?
(3)甲队比乙队提前几天完成任务?
您最近一年使用:0次
2024-01-30更新
|
162次组卷
|
4卷引用:重庆市第七中学校2023-2024学年八年级下学期第一次定时作业数学试题
名校
5 . 已知
、
两地之间的路程为
,甲从
地到
地,乙从
地到
地,两人同时出发,各自到达目的地后并停止相应的运动,出发2小时后,甲第一次与乙相遇,相遇后甲再行驶4小时到达目的地,乙比甲先到达目的地,甲乙两人之间的距离为
,运动时间为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d4413db6e30c6443561a322c464a39.png)
关于
的函数关系式,并注明
的取值范围;
(2)在给定的平面直角坐标系中,画出这个函数的图像,并写出该函数的一条性质;
(3)结合函数图像,直接写出
时
的取值范围.(结果保留1位小数,误差不超过0.2)
![](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/d5167ec8605a15265d019fb1c718adf0.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d93394a0262fd242bb1522b9eeeebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d4413db6e30c6443561a322c464a39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)在给定的平面直角坐标系中,画出这个函数的图像,并写出该函数的一条性质;
(3)结合函数图像,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f969ae0fc60f0217fd26f23eb225a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2024-01-20更新
|
296次组卷
|
2卷引用:重庆市南开中学校2023-2024学年八年级下学期第一次月考数学试题
名校
6 . 通过《一次函数》的学习,我们学会了列表、描点、连线的方法来画出函数图象并结合函数图象研究函数性质.小明想应用这个方法来探究函数
的性质.下面是他的探究过程,请你补充完整:
___________.
(2)描点并画出该函数的图象.
(3)观察
的图象,类比一次函数,请写出该函数的两条性质:①___________________②________________________
(4)在平面直角坐标系中,我们将横、纵坐标均为整数的点称为整点.则该函数图象与直线
围成的区域内(不包括边界)整点的个数为___________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a19a59a25e39838246f46a6cd4567fe.png)
![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | 0 | 1 | ![]() |
![]() | ![]() | 3 | 2 | 1 | 0 | 1 | 2 | ![]() | ![]() |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
(2)描点并画出该函数的图象.
(3)观察
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a19a59a25e39838246f46a6cd4567fe.png)
(4)在平面直角坐标系中,我们将横、纵坐标均为整数的点称为整点.则该函数图象与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9355031ea0b2dc9cef3777621bc6d38.png)
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2024-01-12更新
|
154次组卷
|
3卷引用:重庆市第七中学校2023-2024学年八年级下学期第一次定时作业数学试题
名校
7 . 如图,在矩形
中
,
,点
从A出发沿线段
向点
运动,到达点
时停止.作
,交折线
于点
,设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8711eddf26d11fc974dfb6da4b640918.png)
,
.
与
的函数表达式以及对应的
的取值范围;
(2)在直角坐标系中画出
的图象,并写出函数
的一条性质;
(3)若
,结合函数图象,直接写出
时
的取值范围.(结果保留1位小数,误差不超过
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9caf47639ff9218ef27068ee10c265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fcc497b16c43b39596b64d77c969771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8711eddf26d11fc974dfb6da4b640918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bdd7f221d03e79880cd13db4011c9d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca394cdfb2a39b6bc7fd2a555ea995d.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/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7617f4ea2194c9322aebb384eb7a11c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb60758fe459335cc73b776f104f2994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
您最近一年使用:0次
2024-01-03更新
|
828次组卷
|
3卷引用:重庆大学城第三中学校2023-2024学年九年级下学期3月月考数学试题
名校
8 . 如图,在直角三角形
中,
,动点
从点
出发,以每秒5个单位的速度沿
运动,同时动点
从点
出发,以每秒
个单位的速度沿
运动,
相遇时停止运动.过点
作
于点
,过点
作
于点
.设点
的运动时间为
秒
的长度为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/9fe98b9e-f8ef-4ea7-9a1f-350818f922fb.png?resizew=378)
(1)请直接写出
与
的函数关系式并注明自变量
的取值范围;
(2)在给定的平面直角坐标系中画出
与
的函数图象,并写出该函数的一条性质;
(3)当该函数图象与直线
有两个交点时,
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/277a7ef72a23c82b74761eda1f6a5c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a6be08c747b22834f1425c6253eebc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caa585b9257ed0798213a9ae9b87d291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ba837391bb4af88a9a5042248b81e2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9887e1ff61308713287d592c8e8d942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f45ffe562f631549f7a89472a5789fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/65943f16e190d038cb6f41d8cb40c0cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3701b69e70fa21978b4a834e35ff98d4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/9fe98b9e-f8ef-4ea7-9a1f-350818f922fb.png?resizew=378)
(1)请直接写出
![](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)
(2)在给定的平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)当该函数图象与直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0cbc8b8572ff70d9a79e601245a6d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
9 . 如图,在矩形
中,
,
.
为
的中点,动点
从点
出发,沿折线
运动,当它到达点
时停止运动,设点
运动的路程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e646b2fa9e633d201810109ccfbedc58.png)
,连接
,设
的面积为
.
与
的函数关系式为:______.
(2)在给出的平面直角坐标系中画出
的函数图象,并写出这个函数的一条性质:______.
(3)如图2,
的图象如图所示,根据函数图象,直接写出当
时
的取值范围是______.(结果保留一位小数,误差不超过0.2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd66776565f049eb453c14fcaf79234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e646b2fa9e633d201810109ccfbedc58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72fb378d6bf91902efa15881985c5e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b4dcc093218443f71a046b6df94bbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在给出的平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
(3)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424be0f19cb65f984169be8f8ec362e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/421a7d6f54bf58a7a4f4ce61e06aefa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2023-12-18更新
|
662次组卷
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4卷引用:重庆市万州区万州国本中学校2023-2024学年九年级上学期第三次月考数学试题
名校
10 . 在矩形
中,
分别在边
上,且
,动点P从点B出发,以每秒1个单位长度的速度沿着
运动,到达D点停止运动,设P点运动时间为x秒,
的面积为y,回答下列问题:
(2)请在平面直角坐标系中画出这个函数的图像,并写出一条该函数的性质;
时的x的取值范围.(保留1位小数,误差不超过
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769fa40b98f0384bed9369645920de8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea77ba313fcc751481ac1ca214df3fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85a5c2ddfb8ca59a8d69badb98a7fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ccfc06739ab01294379f26e1c8124a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc4cd7c59e65d066440205914db41f60.png)
(2)请在平面直角坐标系中画出这个函数的图像,并写出一条该函数的性质;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f4157fbad7c6bfbc58be757a431136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
您最近一年使用:0次
2023-12-15更新
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1240次组卷
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5卷引用:重庆市第八中学2023-2024学年九年级上学期第三学月数学测试题
重庆市第八中学2023-2024学年九年级上学期第三学月数学测试题重庆市沙坪坝区第八中学校2023-2024学年九年级上学期第三次月考数学试题重庆市西南大学附属中学校2023-2024学年八年级下学期4月月考数学试题重庆市沙坪坝区第一中学校2023-2024学年八年级上学期期末数学试题(已下线)中考重点05 动态几何+函数图像(6题型+满分技巧+限时检测)-2024年中考数学【热点·重点·难点】专练(重庆专用)