名校
1 . 王老师和胡老师沿相同路线同时从松中A校区出发去松中B校区开会,分别以一定的速度匀速步行,出发5分钟,王老师发现自己有一份文件落在松中A校区,于是立即以之前速度的2倍跑回A校区,在到达A校区后停留了8分钟后骑车以更快的速度匀速驶往B校区开会,胡老师在途中某地停留了5分钟等王老师,但没见到王老师来,就以原来的速度继续前进,最终两人同时到达松中B校区会议室,王老师和胡老师两人的距离y米与王老师行进时间x分钟之间的关系如图所示,则松中A校区与B校区之间的距离为___________ 米.
您最近一年使用:0次
2 . 已知张强家、体育场、文具店在同一条直线上.下面的图象反映的过程是:张强从家跑步去体育场,在那里锻炼了一阵后又走到文具店去买笔,然后散步走回家.图中
表示时间,
表示张强离家的距离.
(1)本题中的自变量是_______,因变量是_______.
(2)体育场离张强家_______
,体育场离文具店__________
;
(3)张强在体育场锻炼了________
,在文具店停留了________
;
(4)求张强从文具店回家的平均速度是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)本题中的自变量是_______,因变量是_______.
(2)体育场离张强家_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5fe30c67ac20cd4e8b9cc2d0d420a7b.png)
(3)张强在体育场锻炼了________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ce48eafd36547782174eb304d4a003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76ce48eafd36547782174eb304d4a003.png)
(4)求张强从文具店回家的平均速度是多少?
您最近一年使用:0次
3 . 如图,在
中,
,
,
,动点P以每秒1个单位的速度从点B出发沿折线
运动(含端点),在运动过程中,过点P作
于点H,设点P的运动时间为x秒,点P到直线
的距离与点P到点A的距离之和记为y.
(2)在给定的平面直角坐标系中画出这个函数的图象,并写出该函数的一条性质;
(3)请直接写出当y为3时x的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6662097cf94dc37facdaba44b49966d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760a51352cf6fc58a0cd0797763b90eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bef7eab528a8dd3e3f328de3b3ac80ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在给定的平面直角坐标系中画出这个函数的图象,并写出该函数的一条性质;
(3)请直接写出当y为3时x的值.
您最近一年使用:0次
4 . 如图,在平行四边形
中,
,
,
,若点
从
点出发,沿着
方向运动,已知点
的运动路程为
,将
的面积记为
完成下列问题:
与
之间的函数表达式以及对应的
的取值范围.
(2)在平面直角坐标系中画出
与
的函数的图象,并写出
的一条性质;
(3)结合函数图象,直接写出
时,
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.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/ef5d53e570a2f8516c7af8b22662c195.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/147de24f071e316b68fd2e78e3c84545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)结合函数图象,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2823ad28c60c024e5e74215f07550bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
5 . 如图,在矩形
中
,
.动点P从点A出发,沿折线
运动(运动路线不包含点A、点C),当它到点C时停止,设点P运动的路程为x,连接
、
.设
的面积为y.
(2)根据函数图象,写出该函数的一条性质;
(3)若直线
与该函数图象有两个交点,直接写出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e7a366c0b70345e120cf991180ed483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f450a43dc91c2c241c90659d448a28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9524e3810e06dc781285f1289e75d653.png)
(2)根据函数图象,写出该函数的一条性质;
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe22d0cee40ad652466d25d9e7c9264.png)
您最近一年使用:0次
6 . 如图,在矩形
中,
,点Q是
边的中点,动点P从点B出发,沿着
运动,到达点C后停止运动.已知速度
秒,令
,运动时间为
秒(
).请解答下列问题:
之间的函数表达式,标明自变量的取值范围,并画出函数图象;
(2)当
时,求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc4082d6a235d5c097a7b361506cb84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fd23cf0ee5cd9a31bd9923c03e2b159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b7aa3f218cfcfa95d2852e10e618d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679f4c67828f11b44e2b205fa688cd62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c052fc4d2a1d08dc58e6264f32a859f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bac0d822010039442d64866f555362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
7 . 如图1,在矩形
中,
,
,动点
以每秒
个单位长度的速度沿
的路径运动,动点
以每秒2个单位长度的速度沿
的路径运动,当点
到达
点时,两者都停止运动.设运动时间为
秒,点
、
的距离为
.
关于
的函数表达式并注明自变量
的取值范围;
(2)在如图2所示的平面直角坐标系中画出函数
的图象,并写出该函数的一条性质;
(3)结合函数图象,请直接写出当函数
与上述函数
的图像有两个交点时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0765e0864f44cf81f9e490021e2871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3906ee0fe6a00d09c5c576ec57f34fa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/d053b14c8588eee2acbbe44fc37a6886.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)在如图2所示的平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)结合函数图象,请直接写出当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea7f0d3a05a03a37f0e15bdec79d19c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
8 . 如图,平行四边形
中,
,
,
,动点
从点
出发沿折线
运动,到达点
停止运动.在运动过程中,过点
作
于点
,设点
的运动路程为
,
记为
.
关于
的函数表达式,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这个函数图象,并写出该函数的一条性质;
(3)结合函数图象,直接写出
的图象与
的图象有1个公共点时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673ef2d48215ca84a48377f17d6df00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6662097cf94dc37facdaba44b49966d.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/445146721669bb2c4999df44bf4f71e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.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/592cc4e5a632f2950236998fb773d5e3.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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)在给定的平面直角坐标系中画出这个函数图象,并写出该函数的一条性质;
(3)结合函数图象,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec3cf2d6b2ade39fbf5a0082ad8f6c4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
9 . 如图1,在等腰
中,
,
,
于点
,动点
以每秒1个单位的速度从点
出发沿折线
运动,到达
点停止运动.设点
的运动时间为
秒,连接
,设
,请解答下列问题:
关于
的函数关系式并注明自变量
的取值范围;
(2)在如图2所示的平面直角坐标系中画出
的图象,并写出该函数的一条性质;
(3)已知直线
的图象如图2所示,结合函数图象,直接写出当
时
的取值范围.(结果精确到
,误差
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8817091d0f4b7d7ac6df560cb63c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe54685dbc823ee67221a6d2cbe704df.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21964475977d481f12d66d53b6695096.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)在如图2所示的平面直角坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(3)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06265df1538f300d7bad45c6ac58c6a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457bca07560f57c6f9e8824aabf3039b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87796ee30e6c5d5e6b6285b32abe10c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4646418552dc060ebda1232361a01295.png)
您最近一年使用:0次
名校
10 . 如图1,菱形
的周长为24,
,点G为对角线
上一点,且
.动点P从点O出发,沿
移动到点B时停止运动(点P不与点O、点B重合).设点P的运动路程为x,
的面积为y.
(1)直接写出y与x之间的函数关系式,并注明自变量x的取值范围:
(2)在图2的平面直角坐标系中画出y与x的函数图像,并写出该函数的一条性质;
(3)若
的函数图像如图2所示,结合你画出的y与x的函数图像,直接写出当
时,自变量x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8ceff7afec45baa273b1fe2152bbbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3542e0d9800387405e7bb944d101c72b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c965f16192e57a8079a40a0304ef339b.png)
(1)直接写出y与x之间的函数关系式,并注明自变量x的取值范围:
(2)在图2的平面直角坐标系中画出y与x的函数图像,并写出该函数的一条性质;
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17afa80eec52d5077259f8daf937f59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f2fecc7a159c8454885b5262356dc3.png)
您最近一年使用:0次
2024-06-08更新
|
327次组卷
|
2卷引用:重庆市凤鸣山中学教育集团校2023-2024学年八年级下学期期中考试数学试题