直线
与x轴交于点A,与y轴交于点B,菱形ABCD如图放置在平面直角坐标系中,其中点D在x轴负半轴上,直线y=x+m经过点C,交x轴于点E.
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016801398136832/3020329015123968/STEM/9966a32b740b45f984844c659b17a46a.png?resizew=258)
(1)请直接写出点C,点D的坐标,并求出m的值;
(2)点P(0,t)是线段OB上的一个动点(点P不与O、B重合),经过点P且平行于x轴的直线交AB于M,交CE于N.当四边形NEDM是平行四边形时,求点P的坐标;
(3)点P(0,t)是y轴正半轴上的一个动点,Q是平面内任意一点,t为何值时,以点C、D、P、Q为顶点的四边形是菱形?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a98e24892abc0eb34d5216d4e89c61.png)
![](https://img.xkw.com/dksih/QBM/2022/7/6/3016801398136832/3020329015123968/STEM/9966a32b740b45f984844c659b17a46a.png?resizew=258)
(1)请直接写出点C,点D的坐标,并求出m的值;
(2)点P(0,t)是线段OB上的一个动点(点P不与O、B重合),经过点P且平行于x轴的直线交AB于M,交CE于N.当四边形NEDM是平行四边形时,求点P的坐标;
(3)点P(0,t)是y轴正半轴上的一个动点,Q是平面内任意一点,t为何值时,以点C、D、P、Q为顶点的四边形是菱形?
21-22八年级下·河北石家庄·期末 查看更多[3]
更新时间:2022-07-11 16:18:01
|
相似题推荐
解答题-计算题
|
较难
(0.4)
【推荐1】如图,在平面直角坐标系中,一次函数的图像与x轴交于点
,与y轴交于点B,且与正比例函数
的图像交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/bb457720-66a2-4525-8a69-84b9111119b3.png?resizew=163)
(1)求m的值与一次函数解析式;
(2)如图,一动直线
分别与两直线交于P,Q两点,若
,求t的值;
(3)在y轴上是否存在点M,使得
是以AB为腰的等腰三角形?若存在,请求出符合条件的所有点M的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a525534689bd2701205d4ab17574c39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a02430f83e4f662e788d234da3c56ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e128dc229350503a9ca83622cc7df2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/24/bb457720-66a2-4525-8a69-84b9111119b3.png?resizew=163)
(1)求m的值与一次函数解析式;
(2)如图,一动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f7b16d65f1b2b8bea8cf4a83fde925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4d14c6959273338a048b023805cce80.png)
(3)在y轴上是否存在点M,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】在平面直角坐标系中,拋物线
与
轴交于点
,与
轴交于点
和点
,拋物线的顶点为
.
(1)求此抛物线的解析式和顶点
的坐标;
(2)若点
,
均在此拋物线上,其横坐标分别为
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbf3f258ca2a3c7fecd31430a6536b3.png)
且
,
两点的纵坐标的差为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e78ec37cbbae0f7d765010cee13993b.png)
①求
的值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
②将点
向上平移
个单位得到点
,将拋物线沿
轴向右平移
个单位得到新拋物线,点
的对应点为点
,点
的对应点为点
,顶点
的对应点为点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
在抛物线平移过程中,当
的值最小时,请填空:
______,新抛物线的顶点
的坐标为______,
的最小值为______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00357d60e8181d67a38e327ca4f96776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a2669696ffbc6f9233faad656a37fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde32eac58a246c6813f0802ea91987c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)求此抛物线的解析式和顶点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbf3f258ca2a3c7fecd31430a6536b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e78ec37cbbae0f7d765010cee13993b.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
②将点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61bf9a1113e9e9c194c8cd1a9742bfee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3b1a5427d8ff23df0f3ec194756c84c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5799e4298966c48367bff087adf11c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cee6765a83140d745a6de4c85d9b6b50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c5799e4298966c48367bff087adf11c.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】已知一次函数
的图象分别交x轴和y轴于B,D两点,另一个一次函数
的图象分别交x轴和y轴于C,E两点,且两个函数的图象交于点
.
(1)当a,b为何值时,
与
的图象重合;
(2)当
时,求
的面积;
(3)当
,且使得
时,始终有
,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715416015a9634f5eafe3d399987d837.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8d375f872bc04330e2fe27091cbc540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f1f2b3e349a9be5fb156ae31525b9c.png)
(1)当a,b为何值时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54015ff5b49e3283901da1291b6b921d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f6872ffb1934339c53c2c2282d5889.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6232dc74b15e4acb0ac3482a1cbe6a52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ccaa6e503b61e9ae78d8439cba2e328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f99df1a7b58018125b99578b779342.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),在平面直角坐标系中,直线
分别与
轴、
轴交于点
,
,且点
的坐标为
,点
为线段
的中点.
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991448375058432/2993360858980352/STEM/68e5441f-df18-4bc4-a300-d0e1acb87031.png?resizew=203)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991448375058432/2993360858980352/STEM/fcbfa511-8ed0-48b5-895f-2359dd76606b.png?resizew=206)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991448375058432/2993360858980352/STEM/4c4ce067-dcac-42d2-9069-26bc27729675.png?resizew=208)
(1)求点
的坐标;
(2)点
为直线
上的一个动点,过点
作
轴的垂线,与直线
交于点
,设点
的横坐标为
,
的面积为
,求
与
的函数解析式;
(3)当点
在直线
上运动时,在平面直角坐标系内是否存在一点
,使得以
,
,
,
为顶点的四边形为矩形?若存在,直接写出
点的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88b2c8f89f3bbeb9a9a95d3b68bd06d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ed24bfcc37b79fe9ca61ed8fdf26ea.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/2022/5/31/2991448375058432/2993360858980352/STEM/68e5441f-df18-4bc4-a300-d0e1acb87031.png?resizew=203)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991448375058432/2993360858980352/STEM/fcbfa511-8ed0-48b5-895f-2359dd76606b.png?resizew=206)
![](https://img.xkw.com/dksih/QBM/2022/5/31/2991448375058432/2993360858980352/STEM/4c4ce067-dcac-42d2-9069-26bc27729675.png?resizew=208)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】如图,在平行四边形
中,
,
,
,
的平分线
,
分别与直线
交于点
,
.
(1)求
的长.
(2)把题中的条件“
”去掉,其余条件不变.
①当点
与点
重合时,求
的长.
②当点
与点
重合时,四边形
的形状 .
(3)把“问题”中的条件“
,
”去掉,其余条件不变,当点
,
,
,
相邻两点间的距离相等时,求
的值为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62676bcf5f9783c0457fce09fe561a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2ab8b9338fbcdf04d0e703337ea34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab1b173dbc2cf639f0bb023c9718b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f10681704c4fccfd37664eaf34391dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c4eccda4edcee29a5f15609e85106df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/17/1a4d003e-0e92-4675-b173-5e851453b913.png?resizew=160)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
(2)把题中的条件“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2ab8b9338fbcdf04d0e703337ea34f.png)
①当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
②当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
(3)把“问题”中的条件“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e62676bcf5f9783c0457fce09fe561a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2ab8b9338fbcdf04d0e703337ea34f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d1be9b1e742b25e355af14502549cb.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,在平面直角坐标系中,直线
与
轴交于点
,与
轴交于点
,抛物线
经过
,
两点且与
轴的负半轴交于点
.
(1)求该抛物线的解析式;
(2)若
为直线
上方抛物线上的一个动点,当
时,求
点的坐标;
(3)已知
,
分别是直线
和抛物线上的动点,当以
,
,
,
为顶点,且
为一边的四边形是平行四边形时,直接写出所有符合条件的
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc9118cc77fc0a045337745890e50cad.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c9800e4b992044d16681e77ff6563c.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求该抛物线的解析式;
(2)若
![](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/d0ea6d0ce9e95418b128fc1158e46784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/2020/11/2/2584234834337792/2585559868194816/STEM/e2d7ec68-d41c-4d20-aacd-47672cdff84b.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐1】综合与探究
如图1,平面直角坐标系中,直线l:y=2x+4分别与x轴、y轴交于点A,B.双曲线y=
(x>0)与直线l交于点E(n,6).
(1)求k的值;
(2)在图1中以线段AB为边作矩形ABCD,使顶点C在第一象限、顶点D在y轴负半轴上.线段CD交x轴于点G.直接写出点A,D,G的坐标;
(3)如图2,在(2)题的条件下,已知点P是双曲线y=
(x>0)上的一个动点,过点P作x轴的平行线分别交线段AB,CD于点M,N.
请从下列A,B两组题中任选一组题作答.我选择 组题.
A.①当四边形AGNM的面积为5时,求点P的坐标;
②在①的条件下,连接PB,PD.坐标平面内是否存在点Q(不与点P重合),使以B,D,Q为顶点的三角形与△PBD全等?若存在,直接写出点Q的坐标;若不存在,说明理由.
B.①当四边形AGNM成为菱形时,求点P的坐标;
②在①的条件下,连接PB,PD.坐标平面内是否存在点Q(不与点P重合),使以B,D,Q为顶点的三角形与△PBD全等?若存在,直接写出点Q的坐标;若不存在,说明理由.
如图1,平面直角坐标系中,直线l:y=2x+4分别与x轴、y轴交于点A,B.双曲线y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
(1)求k的值;
(2)在图1中以线段AB为边作矩形ABCD,使顶点C在第一象限、顶点D在y轴负半轴上.线段CD交x轴于点G.直接写出点A,D,G的坐标;
(3)如图2,在(2)题的条件下,已知点P是双曲线y=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb3a62e46296c417261156b51ec6b4.png)
请从下列A,B两组题中任选一组题作答.我选择 组题.
A.①当四边形AGNM的面积为5时,求点P的坐标;
②在①的条件下,连接PB,PD.坐标平面内是否存在点Q(不与点P重合),使以B,D,Q为顶点的三角形与△PBD全等?若存在,直接写出点Q的坐标;若不存在,说明理由.
B.①当四边形AGNM成为菱形时,求点P的坐标;
②在①的条件下,连接PB,PD.坐标平面内是否存在点Q(不与点P重合),使以B,D,Q为顶点的三角形与△PBD全等?若存在,直接写出点Q的坐标;若不存在,说明理由.
![](https://img.xkw.com/dksih/QBM/2020/8/12/2526417553981440/2526500193075200/STEM/e3a321ea-b760-45b9-9f4d-004708e86972.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
【推荐2】在边长为6的菱形
中,
,点E、F是边
、
上的点,连接
.
沿
翻折使B的对应点
落在
中点上,此时四边形
是什么四边形?并说明理由.
(2)如图2,若
,以
为边在
右侧作等边
;
①连接
,当
是以
为腰的等腰三角形时,求
的长度.
②直接写出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0382c88f577b4292b8165107be83181d.png)
(2)如图2,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36e5e61804ce550636a0354e0a78a22d.png)
①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3f3197779e26c71a1b633b279613969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
②直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
您最近一年使用:0次