平面直角坐标系中,直线
交
轴于点
,交
轴于点
,
、
满足
.
(1)求
、
两点的坐标;
(2)如图1,
为
上一点,连接
,过点
作
交
于
,若
,求点
的坐标;
(3)如图2,点
、
关于
轴对称,
为
轴上
点右侧一点,过点
作
交直线
于点
,是否存在点
,使
,若存在,求点
的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf75310b48015af5b03e8b4ea7a16ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad29801f799532ee7dda9658c30e373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5532ae0a2e48ad4762da4c131c320d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/20/65e2a422-142d-4192-af67-374b8a18d7a8.png?resizew=293)
图1 图2
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299fe914d64f3a06f9b641d5591fc47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba75d6bcc84e493df519f832fe8de94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)如图2,点
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8096b3edbcf010b6226a227351c1b586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf25e032b5599ac49383de06e776365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29ae310871718293399c53e3b9893255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
更新时间:2023-10-12 08:39:47
|
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适中
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【推荐1】如图,在平面直角坐标系中,O是坐标原点,点
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(1)点B的坐标:______,线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
(3)当点P在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9cc98e6df306063e645044f0faa7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a91f89a0bc06bd1613e4ec4011e6755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/548e9e5752cd788a0cb5dd74372f0c8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e44d9f2b82b73e7a0917a19f74dbc5f9.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,已知正方形ABCD中,边长为10cm,点E在AB边上,BE=6cm.
(1)如果点P在线段BC上以4cm/秒的速度由B点向C点运动,同时,点Q在线段CD上以a厘米/秒的速度由C点向D点运动,设运动的时间为t秒,
①BP=_______厘米,CP=__________厘米.(用含t的代数式表示)
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(2)若点Q以②中的运动速度从点C出发,点P以原来的运动速度从点B同时出发,都逆时针沿正方形ABCD四边运动.则点P与点Q会不会相遇?若不相遇,请说明理由.若相遇,求出经过多长时间点P与点Q第一次在正方形ABCD的何处相遇.
(1)如果点P在线段BC上以4cm/秒的速度由B点向C点运动,同时,点Q在线段CD上以a厘米/秒的速度由C点向D点运动,设运动的时间为t秒,
①BP=_______厘米,CP=__________厘米.(用含t的代数式表示)
②若以E、B、P为顶点的三角形和以P、C、Q为顶点的三角形全等,求a的值。
(2)若点Q以②中的运动速度从点C出发,点P以原来的运动速度从点B同时出发,都逆时针沿正方形ABCD四边运动.则点P与点Q会不会相遇?若不相遇,请说明理由.若相遇,求出经过多长时间点P与点Q第一次在正方形ABCD的何处相遇.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/94120374-6934-47e5-aef9-c24ead7435cf.png?resizew=156)
您最近一年使用:0次
解答题-证明题
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适中
(0.65)
【推荐2】在Rt△ABC中,∠BAC=90°,E,F分别是AB,AC上的点,且EF∥BC,作EG平分∠AEF交AC于点G,在EF上取点D,使ED=EA,连接DG并延长,交BA的延长于点P,连接PF.
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![](https://img.xkw.com/dksih/QBM/2020/3/17/2421280207831040/2421596122619905/STEM/1818dc0981fe4a2aa4d33f7603b6c21a.png?resizew=186)
您最近一年使用:0次