如图
,在菱形
中,对角线
,
交于点
,
,
,点
沿
从点
匀速运动到点
.设点
的运动时间为
,
,图
是点
运动时
随
变化的函数关系图象,则图
中最低点的纵坐标
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/26fdd8e57562ba94e10e7f1d770826d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d193af18edcc5620ef2219184961c812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed7016dc135f6219ddebbc6b4585d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-06-23 10:00:18
|
相似题推荐
单选题
|
较难
(0.4)
【推荐1】如图(1)所示,E为矩形
的边
上一点,动点P,Q同时从点B出发,点P沿折线
运动到点C时停止,点Q沿
运动到点C时停止,它们运动的速度都是1cm/秒,设P、Q同时出发t秒时,
的面积为ycm2.已知y与t的函数关系图象如图(2)(曲线
为抛物线的一部分)则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/04c44c78-5788-4678-8de0-d0d73ada8ad8.png?resizew=306)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/259bb63f8bbcabbbf13e84cdc46273a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/04c44c78-5788-4678-8de0-d0d73ada8ad8.png?resizew=306)
A.![]() | B.当![]() ![]() |
C.当![]() ![]() | D.当![]() ![]() ![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
真题
【推荐2】如图,直线
都与直线l垂直,垂足分别为M,N,MN=1,正方形ABCD的边长为
,对角线AC在直线l上,且点C位于点M处,将正方形ABCD沿l向右平移,直到点A与点N重合为止,记点C平移的距离为x,正方形ABCD的边位于
之间部分的长度和为y,则y关于x的函数图象大致为( )
![](https://img.xkw.com/dksih/QBM/2018/6/15/1967941524832256/null/STEM/ee5f60e6b88043caa48821bb670739a6.png?resizew=224)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24113a0ce931fb291b00e86627e6da24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e051d14fd6a787387995331f5e6d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24113a0ce931fb291b00e86627e6da24.png)
![](https://img.xkw.com/dksih/QBM/2018/6/15/1967941524832256/null/STEM/ee5f60e6b88043caa48821bb670739a6.png?resizew=224)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,
,
在
的同侧,
,
,
,M 为
的中点, 若
,则
的最大值为 ( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/ba35cc42-9aeb-4c9a-8186-1675a493da82.png?resizew=188)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb49a110acec1e86b8e8969300f0cd2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064a54c909107e2c38fead05ef5e6b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/ba35cc42-9aeb-4c9a-8186-1675a493da82.png?resizew=188)
A.12 | B.15 | C.18 | D.20 |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐2】如图,
、
在
的同侧,点
为线段
中点,
,
,
,若
,则
的最大值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/cf14b483-b10d-4905-bf98-a92a2ce97fd3.png?resizew=172)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d71e6ea7333dbc78d0a7b9bc3892f940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6deba597506f71e71f4697555b96c7df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/21/cf14b483-b10d-4905-bf98-a92a2ce97fd3.png?resizew=172)
A.18 | B.16 | C.14 | D.12 |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,矩形ABCD中,
,点E是AD上的一点,且
,CE的垂直平分线交CB的延长线于点F,交CD于点H,连接EF交AB于点G.若G是AB的中点,则BC的长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/346f787d-dbfe-4873-a8c8-4460bef481b6.png?resizew=190)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a19338598965bb3856cdd0236bbf694.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/24/346f787d-dbfe-4873-a8c8-4460bef481b6.png?resizew=190)
A.6 | B.7 | C.8 | D.10.5 |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在正方形ABCD中,AB=3,线段PQ在对角线AC上运动,且PQ=1.连接BP,BQ.则△BPQ周长的最小值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/18ece4ce-a561-4c06-b70f-f47c53469b69.png?resizew=126)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/3/18ece4ce-a561-4c06-b70f-f47c53469b69.png?resizew=126)
A.3![]() | B.4 | C.![]() | D.2![]() |
您最近一年使用:0次
单选题
|
较难
(0.4)
名校
【推荐1】如图,点A在线段BD上,在BD的同侧作等腰Rt△ABC和等腰Rt△ADE,其中∠ABC=∠AED=90°,CD与BE、AE分别交于点P、M.对于下列结论:①△CAM∽△DEM;②CD=2BE;③MP•MD=MA•ME;④2CB2=CP•CM.其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2019/3/26/2169002594041856/2171875421716481/STEM/030aa625b3db4e27945d0a5cb8ed796e.png?resizew=233)
![](https://img.xkw.com/dksih/QBM/2019/3/26/2169002594041856/2171875421716481/STEM/030aa625b3db4e27945d0a5cb8ed796e.png?resizew=233)
A.①② | B.①②③ | C.①②③④ | D.①③④ |
您最近一年使用:0次
单选题
|
较难
(0.4)
【推荐2】如图,在
中
,
于点M,
于点N,P为
边中点,连接
,则下列结论:①
;②
;③
为等边三角形:④当
时,
.其中正确的个数是( ).
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/8ac3837b-2352-47b5-a40f-1bab940b0fea.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d3f843b83e62bab294988a7ea134a63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ffdf36ba9697d1fe3376a854c26c01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad4c9e13bcf433e91bbcb02abee27114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acd79bb9fb06f7c806eb6e17e4b613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd68864407536479dfdfb27bebe0bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c284ccb6f4ee7a8690013d2ce16e226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e31315e1f2fc5c86ea6612335f6bf19.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/9/8ac3837b-2352-47b5-a40f-1bab940b0fea.png?resizew=141)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次