如图1,在正方形
中,
,动点P从点A出发,沿折线
运动,当点P到达点C时停止运动.连结
,若点P运动的路程为
,
的面积为y,当点P与点B重合时的值为0
(1)求y与x之间的函数解析式,并写出自变量x的取值范围;
(2)在图2的平面直角坐标系中画出这个函数的图象,并写出该函数图象的一条性质;
(3)根据图象,直接写出当
时,x的取值范围.
![](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/e0cc6293cfedec30b124ece908c4c438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f833c39ad4fcf7b54a2c091a0731b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8023563d0e16758e5f95fe487cd198be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983add910c8e09954f164a5e87d1f7fe.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/14/e9dfd41c-3971-4f94-ae3c-d23a63dc483c.png?resizew=563)
(1)求y与x之间的函数解析式,并写出自变量x的取值范围;
(2)在图2的平面直角坐标系中画出这个函数的图象,并写出该函数图象的一条性质;
(3)根据图象,直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97449fb669ca2b345d21aa870e795e58.png)
22-23八年级下·重庆涪陵·期末 查看更多[5]
重庆市涪陵区2022-2023学年八年级下学期期末数学试题(已下线)2023年重庆市中考数学真题(A卷)变式题23-26题(已下线)2023年重庆市中考数学真题(B卷)变式题19-22题重庆市第八中学校2023-2024学年九年级上学期期中数学模拟试题重庆市大渡口区巴渝学校2023-2024学年八年级上学期12月月考数学试题
更新时间:2023-07-08 18:12:10
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相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】如图,平行四边形
中,
,
,
,动点P以每秒1个单位的速度从点B出发沿折线B→A→D运动,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BC的距离与点P到点A的距离之和记为
.
关于x的函数表达式,并注明自变量x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
的图象有两个公共点时m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.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/bef7eab528a8dd3e3f328de3b3ac80ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.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/4b6665d397ab7b4c5fe1c5b6a124963a.png)
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解答题-作图题
|
适中
(0.65)
名校
【推荐2】如图,在矩形
中,
,
.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
,连接
,
.设三角形
的面积为
.
(1)请直接写出
与
的函数关系式,并注明
的取值范围,在
的取值范围内画出
的函数图象;
(2)根据函数图象,写出该函数的一条性质;
(3)根据函数图象,直接写出当
时
的值(结果保留一位小数,误差范围
).
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d0984bb4715e5e6100153012ddc5c0.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/19/9789f205-68dd-45c6-af0d-9d046c83c277.png?resizew=488)
(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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(2)根据函数图象,写出该函数的一条性质;
(3)根据函数图象,直接写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8076b511e27939c629762296b8cfd08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cde0f1509ffdb32b9c90edc3facedd1.png)
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解答题-问答题
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适中
(0.65)
【推荐1】如图,一次函数的图象与反比例函数
的图象交于点
和点B,与y轴交于点C.直线
经过点B与x轴交于点D,连结
.
(1)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f011498c4983e0583dd0b973287bf9ce.png)
您最近一年使用:0次
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名校
【推荐2】如图,直线
是一次函数
的图象.
(2)根据函数图象,直接写出
时
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
(2)根据函数图象,直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57458464618fcf619375a93d3c66d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系
中,直线
分别交
轴、
轴于
、
两点,点
是线段
的中点.
(1)点
的坐标为______,点
的坐标为______;
(2)点
是
轴上的一点,且满足
,写出点
的坐标______;
(3)连接
,求直线
的解析式
,并直接 写出
的函数值小于
的函数值时,自变量
的取值范围;
(4)若点
是
的内部(不包含边界)的一点,请直接写出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a09bff89f18423518112a780650dcbf7.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/7e26df85-c827-44dd-af8d-b943aaebb954.png?resizew=397)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59acf95ce80f97660d6b4569f4ef602.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.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/81dea63b8ce3e51adf66cf7b9982a248.png)
(4)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d7ae927a0b7a41413ca63b6d36773a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解答题-作图题
|
适中
(0.65)
解题方法
【推荐2】如图,在平面直角坐标系
中,直线
与直线
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/d1ce0499-c9f8-4579-9cd0-29cd7a69e4c8.png?resizew=311)
(1)点
从点
出发以每秒1个单位长度的速度沿
轴向右运动,点
从点
出发以每秒3个单位长度的速度沿
轴向左运动,两点同时出发.分别过点
,
作
轴的垂线,分别交直线
,
于点
,
,请你在图1中画出图形,猜想四边形
的形状(点
,
重合时除外),并证明你的猜想;
(2)在(1)的条件下,当点
运动______秒时,四边形
是正方形(直接写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21417343a39ac0fc9e4ce6baa542fe03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f241c795b7bfa1fdf65a14e41a230d8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1320ca69a13ab66a93000567f970d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/d1ce0499-c9f8-4579-9cd0-29cd7a69e4c8.png?resizew=311)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec780e86f57790cf88ec761e219bf5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(2)在(1)的条件下,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec780e86f57790cf88ec761e219bf5f.png)
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