如图,矩形
的顶点
分别在函数
和
的图象上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/9/fb3d52f9-4250-451d-b739-f258a2cb759d.png?resizew=160)
(1)求
的值;
(2)若点
分别在
和
的图象上,且不与点
重合,是否存在点
,使得
,若存在,请直接写出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b64b055d32519390aa46114fa65ca4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a7434e36ed40a7c1ec5169095e7436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb5ab5eaf8cc48ada46618d07840452.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/9/fb3d52f9-4250-451d-b739-f258a2cb759d.png?resizew=160)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90963760acac7bfad3ae03088c6c80b0.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b64b055d32519390aa46114fa65ca4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a7434e36ed40a7c1ec5169095e7436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e977e576869ba3a0b397560d92072ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
更新时间:2023-05-01 08:13:20
|
相似题推荐
解答题-问答题
|
较难
(0.4)
【推荐1】【概念发现】
对于平面上的图形S,先将其向上平移a个单位,再将平移后的图形沿着直线
翻折得到图象
,记此变换过程为图形S的
滑动对称变换.若在另一图形T上存在一动点C,图形
上存在一动点D,记
长度的最大值为
,
长度的最小值为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/ea76b094-ecc5-4cce-8fd8-1457dcecff26.jpg?resizew=502)
(1)【理解应用】
如图1,平面直角坐标系中,
,记线段
为图形S,先将线段
向上平移1个单位,再沿着直线
翻折得到线段
,记线段
为图形
,则图形S的(_____,_____)滑动对称变换得到图形
.记原点O为图形T,则
_________,
________;
(2)【思维提升】
如图2,
在坐标平面内,半径为2,圆心
,记
为图形S,线段
记为图形T,图形S的
滑动对称变换得到图形
,求
与
的值.
(3)【拓展延伸】
如图3,记直线
的图象为图形S,反比例
的图象为图形T,图形S的
滑动对称变换得到图形
,则
___________;
对于平面上的图形S,先将其向上平移a个单位,再将平移后的图形沿着直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b334dafda377c3db77647c8cf1e95f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d754245fd16bfc28309e5f0bf57d5fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6199407487d2106dc14114722a18828.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/ea76b094-ecc5-4cce-8fd8-1457dcecff26.jpg?resizew=502)
(1)【理解应用】
如图1,平面直角坐标系中,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/656e78fd9fcb280349d0e60b17b09561.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f9b255a8da2b914a84a848e0ec499d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0f9b255a8da2b914a84a848e0ec499d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a3058d6a1eb262aab31e9f717c163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5479faf4475ef38e36378f81365692f6.png)
(2)【思维提升】
如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8f8cb932ebbd3f5695c1da6849d192.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990eaf5dbba84f199bdc438da81fcfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb2b54e950e0d855857ac7038dd5dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d754245fd16bfc28309e5f0bf57d5fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6199407487d2106dc14114722a18828.png)
(3)【拓展延伸】
如图3,记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411f4fd83438b4404a4dafe05f655cb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3080b9d9aaace24823a0fd8eb469e07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150a135bbd528daf3f19a58a621a57c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5479faf4475ef38e36378f81365692f6.png)
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【推荐2】已知点P的坐标为
,点Q在x轴上(不与P重合),以
为边,
作菱形
,使点M落在反比例函数
的图象上.
,求出图中点M的坐标;
(2)点
时,在(1)图中已经画出一个符合条件的菱形
,请您在原图上画出另一个符合条件的菱形
,并求点
的坐标;
(3)随着m的取值不同,这样的菱形还可以画出三个和四个.当符合上述条件的菱形刚好能画出四个时,请求出m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3726021850f5b937bf61783869b4d68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/758f7bfd87308394a450ec91c66a2286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4774cdc6b618cba8c8f76a4207572f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff32d26c8d44f5fb4813a19c1030a9f5.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f33f27e2c96f019bc9be1ac55e52f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43ac79e422ba4876949f0514c44539b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce07c8a140c9e9fa55f6ab8e64937d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b104090ea2ac34be58a76a4e0e95cb3.png)
(3)随着m的取值不同,这样的菱形还可以画出三个和四个.当符合上述条件的菱形刚好能画出四个时,请求出m的取值范围.
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【推荐1】如图,在平面直角坐标系中,直线l:y=2x+2与x轴交于点B,将直线l绕着点B逆时针旋转45°后,与y轴交于点A,过点A作AC⊥AB,交直线l于点C.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/71dd669b-e127-4b51-8fb9-3ab3bcf3824c.png?resizew=442)
(1)点B的坐标为 ;
(2)求C点的坐标;
(3)将△ABC以每秒2个单位的速度沿y轴向上平移t秒,若存在某一时刻t,使点B、C两点的对应点E、F正好落在某反比例函数的图象上,点A对应点D,请求出此时t的值以及这个反比例函数的解析式;
(4)在(3)的情况下,若已知点P是x轴上的动点,点Q是反比例函数图象上的动点,是否存在点P、Q使得以P、Q、E、F四个点为顶点的四边形是平行四边形?若存在,请直接写出符合题意的点Q的坐标;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/71dd669b-e127-4b51-8fb9-3ab3bcf3824c.png?resizew=442)
(1)点B的坐标为 ;
(2)求C点的坐标;
(3)将△ABC以每秒2个单位的速度沿y轴向上平移t秒,若存在某一时刻t,使点B、C两点的对应点E、F正好落在某反比例函数的图象上,点A对应点D,请求出此时t的值以及这个反比例函数的解析式;
(4)在(3)的情况下,若已知点P是x轴上的动点,点Q是反比例函数图象上的动点,是否存在点P、Q使得以P、Q、E、F四个点为顶点的四边形是平行四边形?若存在,请直接写出符合题意的点Q的坐标;若不存在,请说明理由.
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【推荐2】如图,一次函数
与函数
的图象交于
两点,
轴于
,
轴于
.
![](https://img.xkw.com/dksih/QBM/2020/3/10/2416458803175424/2416629680029696/STEM/1d127e0c-050a-419e-b3be-64e97d6b2624.png)
(1)求
的值;
(2)根据图像直接写出
的
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60ecd5f53b3469726c8cb09e86ff20b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2276d80a0d5de26245a8237e3cf660c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5862fb8bb359e111a5896f1389ac1126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a384ae8c7e095d996e83f338abeec21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/2020/3/10/2416458803175424/2416629680029696/STEM/1d127e0c-050a-419e-b3be-64e97d6b2624.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)根据图像直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d527e16b545c2d597fa7d4a61a5d9e7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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解答题-证明题
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较难
(0.4)
解题方法
【推荐1】如图,在平面直角坐标系中,直线
与
轴交于点
,与
轴交于点
,动点
从点
出发沿线段
向点
运动,速度为每秒
个单位长度,设运动时间为
秒.过点
作
(点
在第一象限),连接
并延长交
于点
.
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712424680013824/2715458590105600/STEM/44c4b34c-13a2-4ee9-b720-c7b627aa3377.png)
(1)当
,
时;
①求线段
的长;
②求证:
;
③直接写出 直线
的表达式;
(2)当
,
时,射线
与射线
相交于点
,且
,直接写出
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dffe53b0052a530add0701e2db6bc2b.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ebd1d359040a1172a944ded96ed0127.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47250bb1a12952e1de6fffc28589cbd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307bd991211ec79b47a4be52933bb8e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/2021/5/2/2712424680013824/2715458590105600/STEM/44c4b34c-13a2-4ee9-b720-c7b627aa3377.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82986ab38a4ae58593191ccae2a44f62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
①求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dfd76d4b9cd52e6f101538689fe1778.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30b0393ce62b24aa5f9b740d4cc6743b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547a83f8e479065d90ce9f1d728fc46a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b8c7a04f2aeefb9d0eefc23ffb1499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】如图,在矩形ABCD中,AB=4,BC=3,点P,Q在对角线BD上,且BQ=
BP,过点P作PH⊥AB于点H,连接HQ,以PH、HQ为邻边作平行四边形PHQG,设BQ=m.
(1)若m=2时,求此时PH的长.
(2)若点C,G,H在同一直线上时,求此时的m值.
(3)若经过点G的直线将矩形ABCD的面积平分,同时该直线将平行四边形PHQG的面积分成1:3的两部分,求此时m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
(1)若m=2时,求此时PH的长.
(2)若点C,G,H在同一直线上时,求此时的m值.
(3)若经过点G的直线将矩形ABCD的面积平分,同时该直线将平行四边形PHQG的面积分成1:3的两部分,求此时m的值.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/21/da72c708-2e37-43a7-89db-b1a41e171773.png?resizew=159)
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解答题-证明题
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【推荐1】将一副三角板(
和
,
,
按如图
所示摆放,点
,
,
,
在一条直线上,且
是
的中点,
.
(1)如图1,
与
交于点
,连接
,求证:
;
(2)如图2,将
绕点
以每秒
的速度进行顺时针旋转,旋转时间为
,
.
①在旋转过程中,当点
在
内部
包括边界
时,求
旋转的时长;
②如图3,在旋转过程中,当
经过点
时,将
沿
方向平移得到
,若
恰好经过
中的点
,请直接 写出
的长度;
③如图2,在旋转过程中,当
与边
交于点
,
与边
交于点
时,分别过点
,
作直线
的垂线,垂足为
,
.若
,用含
的式子表示
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f73fbc2f33d3402cd96a776a376d9835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ea0ae8b73d3da30c91848d9a473a7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e2ef9586f4c09663f62cb3dc9a3d91e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/2/417a4de0-7322-490f-84b8-9a1f207adbb1.jpg?resizew=514)
(1)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d79489e88a48daf80494f7d1c8fa61.png)
(2)如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741a44528782580d24249e8075b8cd9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8152be9de223a09326b66e6711e636b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613dedf2d90e58591b7ac4a250ac7b5d.png)
①在旋转过程中,当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
②如图3,在旋转过程中,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9877bdf15a674170311354ae91207f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72cb97395ebc5ee1b212afb7a97b985c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf1c5eb81b252c151d4bb5be7fe3671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cece895cbddf9d1f37f75e3b6346edda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b25f3ea33cc08b1e2a0d9c3a9dccaf.png)
③如图2,在旋转过程中,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7adae3f562f0d8cc276e9e840352c587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.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1,在矩形ABCD中,AB=8,BC=6,点O为对角线BD的中点,点P从点A出发,沿折线AD-DO以每秒1个单位长度的速度向终点O运动,当点P与点A不重合时,过点P作PQ⊥AB于点Q,以PQ为边向右作正方形PQMN,设正方形PQMN与△ABD重叠部分图形的面积为S(平方单位),点P运动的时间为t(秒).
![](https://img.xkw.com/dksih/QBM/2022/3/15/2936786797281280/2942254109794304/STEM/145f2d930287464ebed64e0c5a5e3c35.png?resizew=453)
(1)如图2,当点N落在BD上时,求t的值;
(2)当点P在边AD上运动时,求S与t之间的函数关系式;
(3)写出在点P运动过程中,直线DN恰好平分△BCD面积时t的所有可能值.
![](https://img.xkw.com/dksih/QBM/2022/3/15/2936786797281280/2942254109794304/STEM/145f2d930287464ebed64e0c5a5e3c35.png?resizew=453)
(1)如图2,当点N落在BD上时,求t的值;
(2)当点P在边AD上运动时,求S与t之间的函数关系式;
(3)写出在点P运动过程中,直线DN恰好平分△BCD面积时t的所有可能值.
您最近一年使用:0次