题型:解答题-问答题
难度:0.65
引用次数:148
题号:20406647
直线
与x轴交于A,与y轴交于B,直线
与y轴交于
与直线
交于D,过D作
轴于
.
(2)求直线
的函数解析式.
(3)P是线段
上一动点,点P从原点O开始,每秒一个单位长度的速度向A运动(P与O、A不重合),过P作x轴的垂线,分别与直线
、
交于M、N,设
的长为S,P点运动的时间为t,求出S与t之间的函数关系式.(写出自变量的取值范围)
(4)在(3)的条件下,当t为何值时,以M、N、E、D为顶点的四边形是平行四边形.(直接写出结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca621dc42304f844ac15dad7062d3959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3a83d984748f84098ccfaea864ea733.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d84acd3c96e20c0ce064aac125f7fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600042984d5ee8b3badfb5f42cf85c4a.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(3)P是线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
(4)在(3)的条件下,当t为何值时,以M、N、E、D为顶点的四边形是平行四边形.(直接写出结果)
更新时间:2023-10-14 16:22:23
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解答题-问答题
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【推荐2】已知一次函数
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(1)求一次函数的表达式;
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(1)求一次函数的表达式;
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解答题-问答题
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【推荐1】如图1,一次函数
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的坐标,若不存在,请说明理由;
(3)如图2,过点
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解答题-问答题
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适中
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解答题-证明题
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适中
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4d781525777c7b5284dffc70b2a28a.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
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