长方形
在平面直角坐标系中的位置如图所示,
,动点
从点
出发,沿
的方向以每秒
个单位长度的速度移动,与点
第二次相遇时停止,设点
移动的时间为
秒.
![](https://img.xkw.com/dksih/QBM/2022/12/22/3136569693167616/3146927876431872/STEM/a0a5b691f18b42b9ac7afdc1ddddf038.png?resizew=289)
(1)点
的坐标为___________;
(2)当
时,
___________;用含
的代数式表示
(3)当点
第一次移动到点
时,有一条垂直于
轴的直线
开始从
位置出发,以每秒
个单位长度的速度沿
轴正方向平行移动,当点
停止时直线
也随之停止.在移动过程中,当点
在直线
上时,求点
的坐标;
(4)连接
,当
的面积为
时,直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e67e996a766de6e96b1b86353ea635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f0cc033b69fe674ef9166cb0b1075d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2022/12/22/3136569693167616/3146927876431872/STEM/a0a5b691f18b42b9ac7afdc1ddddf038.png?resizew=289)
(1)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd98122274c7a3b2767906627721c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/524f25e1eedbfe399f7f42db890ab89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)当点
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(4)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8455fdc2e4d225eed2ec5a32db62680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3877c5dd48bc7311f79a38de74a6cab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
更新时间:2023-01-06 13:04:03
|
相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】如图1,长方形
的边
在数轴上,
为原点,长方形
的面积为15,边
的长为3.
![](https://img.xkw.com/dksih/QBM/2021/3/22/2683445257428992/2684207035105280/STEM/0e2a549e-0d50-4f0a-ac4b-cd550a0ffa58.png)
(1)数轴上点
表示的数为___________;
(2)将长方形
沿数轴水平移动,移动后的长方形记为
(点
,
,
,
移动后分别到达点
,
,
,
的位置),移动过程中始终保持长方形
和长方形
有重叠部分,记重叠部分的面积为
.
①当点
表示的数为3时,求
的值;
②当
时,求点
所表示的数;
③水平向左移动长方形
,取线段
的中点
,在线段
上取点
,使
,设
,则当
为何值时,点
,
所表示的数互为相反数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://img.xkw.com/dksih/QBM/2021/3/22/2683445257428992/2684207035105280/STEM/0e2a549e-0d50-4f0a-ac4b-cd550a0ffa58.png)
(1)数轴上点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)将长方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/12fe32dfbd66709875c5b9f79c9496da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/352529b508315e10a9a078898c2ae8f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
①当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78ee88e5c5542a9ca51883e7d6a624dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
③水平向左移动长方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24963d5acbbdcd6e15c2db04002e0909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/270ddac9587bf1ea553914cb69595ab2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e900d7a5cb2cb92d2c881939491d463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/901ec4ed10094f13472eb08ed02a496c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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解答题-问答题
|
较难
(0.4)
名校
【推荐2】已知,
,直线
交
于点
,交
于点
,点
在线段
上,过
作射线
、
分别交射线
、
于点
、
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/2531864b-0a51-45a3-ac9a-510c9554dc31.jpg?resizew=497)
(1)如图
,当
时,求
的度数;
(2)如图
,若
和
的角平分线交于点
,求
和
的数量关系;
(3)如图
,当
,且
,
时,作
的角平分线
.把一三角板
的直角顶点
置于点
处,两直角边分别与
和
重合,将其绕点
点顺时针旋转,速度为
每秒,当
落在
上时,三角板改为以相同速度逆时针旋转.三角板开始运动的同时
绕点
以
每秒的速度顺时针旋转,记旋转中的
为
',当
和
重合时,整个运动停止.设运动时间为
秒,当
的一边和三角板的一直角边互相平行时,请求出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36d874d5d8db342ad523c33d13b15e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/31/2531864b-0a51-45a3-ac9a-510c9554dc31.jpg?resizew=497)
(1)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0218413bff28c8264655de8a365af1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a83c7176c47b4ca0eb09fb87acabb0d.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb40ae5c5bfc24f9dd07f94ae92454e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922cba763fb3233f69dca043bff35587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20477888113ee6f8444fc5499f5078ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ea40d98e1cc4140a1bcf82aa5919e1.png)
(3)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0218413bff28c8264655de8a365af1f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95eabd7baecf320d38b5aad9eb974d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636e9395764e86d71867e10e1a092f8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922cba763fb3233f69dca043bff35587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59630d2a0c27c0794ae86272a3087aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a36d874d5d8db342ad523c33d13b15e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741a44528782580d24249e8075b8cd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf79e5246ad8e945c5c1ff1f68007b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebfcf1b9ac4885a44b60379586a787f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654c79a470d5af5e0a34fd9233da5118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bebfcf1b9ac4885a44b60379586a787f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c899c4200be87a8932f0ac1aade3804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b423443236eba925b1988ff087d4c1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c023f4b501684abd869b36d6e6c7f21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c899c4200be87a8932f0ac1aade3804.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解答题-问答题
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较难
(0.4)
【推荐3】如图,等边
的边长为7cm,现有两动点M,N分别从点A、B同时出发,沿三角形的边按照图中标识的方向运动,已知点M的速度为1cm/s,点N的速度为2.5cm/s,当点N第一次到达点B时,点M、N同时停止运动.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/ef8b9a05-13dd-4237-bcf5-aec604c91232.png?resizew=401)
(1)点M、N运动几秒后,M、N两点重合?
(2)点M、N运动过程中,点M,N能否与
中的某一顶点构成等边三角形,若能求出对应的时间t,若不能请说明理由.
(3)当点M、N在边BC上运动时,连接AM、AN,能否得到以MN为底边的等腰三角形AMN?若能,请求出此时MN的边长,若不能请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/21/ef8b9a05-13dd-4237-bcf5-aec604c91232.png?resizew=401)
(1)点M、N运动几秒后,M、N两点重合?
(2)点M、N运动过程中,点M,N能否与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)当点M、N在边BC上运动时,连接AM、AN,能否得到以MN为底边的等腰三角形AMN?若能,请求出此时MN的边长,若不能请说明理由.
您最近一年使用:0次
解答题-作图题
|
较难
(0.4)
名校
【推荐1】在平面直角坐标系中,O是坐标原点,定义点A和点B的关联值
如下:
若O,A,B在一条直线上
;
若O,A,B不在一条直线上
.
点B坐标为
,回答下列问题:
(1)
______;
(2)若
,
,则点P坐标为_______ ;
(3)在图中画出所有满足
的点P,并说明理由.
(4)若一个正方形中任意一点P都满足
,则称这个正方形为正规正方形.请直接写出包含点O的正规正方形面积的最大值:________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c459528ea57633458a7e7253c5153e1.png)
若O,A,B在一条直线上
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f27034d4bc555134903f0eda4852198.png)
若O,A,B不在一条直线上
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb3c0b196cf9caa57c03098dad4e41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5194140802c696f647a1336e302d167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/412da60bb609d5114d952a06e64716ca.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4597671d18c74ce6635cf9bd98377548.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0c92fde676a2e1ad11962e23afc86dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b5ca72f56defce554c8abc2d5ef226.png)
(3)在图中画出所有满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff313ad5812c4b9abc095727014327f9.png)
(4)若一个正方形中任意一点P都满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77892322682d83a550b46a257cf9a697.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】如图,四边形ABCD为正方形.点A的坐标为(0,2),点B的坐标为(0,﹣3),反比例函数
(k≠0)的图象经过点C.
![](https://img.xkw.com/dksih/QBM/2019/2/23/2146879749472256/2148308995792896/STEM/e8a603ecf6a64df7add4fc6629c3d37a.png?resizew=202)
(1)求反比例函数的表达式;
(2)若点P是反比例函数图象上的一点,△PAD的面积恰好等于正方形ABCD的面积,求点P的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/2019/2/23/2146879749472256/2148308995792896/STEM/e8a603ecf6a64df7add4fc6629c3d37a.png?resizew=202)
(1)求反比例函数的表达式;
(2)若点P是反比例函数图象上的一点,△PAD的面积恰好等于正方形ABCD的面积,求点P的坐标.
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