如图1,在
中,
,点P以
的速度从点A出发,到达C点后再以
的速度到达B点停止,点P的高度
记为
,点P的运动时间记为
,y关于x的函数图象如图2所示,经过时间m秒P在
上,经过时间n秒时P在
上,若这两个时刻点P的高度恰好一样,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23efa30743e1e3206412b9548d17ed68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8252a1c215bc974cf95f8271542cecd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfe25be59a0f1c0721fef3da9e54d06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad73886b6605ffbf22befa21896deba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18eaed5e51f1e0be4f756230c41c6504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55db12bc9a3b7bd2e6decaaea6ba387e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/5/e98657a8-60bf-4573-9f25-0e6137bbad69.png?resizew=290)
A.3 | B.4 | C.6 | D.8 |
更新时间:2024-03-05 16:16:20
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,⊙O经过△ABC的两个顶点A,B,与边AC,BC分别交于点D,E,点P从点A出发,沿A→D→E→C的路线匀速运动,设∠APB=y(单位:度),那么y与点P运动的时间x(单位:秒)的关系图大致是( )
![](https://img.xkw.com/dksih/QBM/2016/4/27/1574198613614592/1574198619881472/STEM/4fe4d07ff2134db8837f407f5eb29701.png)
![](https://img.xkw.com/dksih/QBM/2016/4/27/1574198613614592/1574198619881472/STEM/4fe4d07ff2134db8837f407f5eb29701.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,已知
中,AB=AC=2,
,
是
边上一个动点,过点
作![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
,交
其他边于点
.若设
为
,
的面积为
,则
与
之间的函数关系的图象大致是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/195bd5bd-9a83-42cd-87e7-afc1e0c3b30a.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81d99776e84942a7ce7c1033bfed030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d7afb771b2ada6a98f6ae93baa76a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/7/195bd5bd-9a83-42cd-87e7-afc1e0c3b30a.png?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图1,点E为矩形ABCD的边AD上一点,点P从点B出发沿
运动到点C停止,点Q从点B出发沿BC运动到点C停止,它们运动的速度都是1cm/s.若点P、Q同时开始运动,设运动时间为t(s),
的面积为y(
),已知y与t之间的函数图象如图2所示.给出下列结论:①当
时,
是等腰三角形;②
;③
时,
;④在运动过程中,使得
是等腰三角形的P点一共有3个;⑤当
与
相似时,
.其中正确结论的序号是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/782bc282-baab-4026-8e42-dc087ab73629.png?resizew=379)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8102966144fcef44274216ac99cd604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/666630341230310170866ff84cd8476f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d296f2c3ad89ac1dd09306e373ada62f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9092de6042440708e45837202d1940b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0e9c40e6b81bb00cca2debb42fbf1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8dcc9f79fe5f07f25447aa442ee14ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edac74b0b43760ebe9fe895201305a6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0aaf0bb3c2d2ee0b4e80a7cd2136c3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/6/29/782bc282-baab-4026-8e42-dc087ab73629.png?resizew=379)
A.①④⑤ | B.①②④ | C.①③④ | D.①③⑤ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在平行四边形
中,
,点E在边
上,点F在
的延长线上,且满足
,过点C作
的垂线交
于点G,若
恰好平分
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/97a9a7b6-6462-40cf-a46e-a38c8510c892.png?resizew=232)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267ace52b64e1e7dfc5211e033255b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b1a3541bb27beddb81ccd89b724f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2ee75a234ac05a3225e49ddd8c5065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/19/97a9a7b6-6462-40cf-a46e-a38c8510c892.png?resizew=232)
A.2 | B.3 | C.5 | D.6 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在平面直角坐标系中,O为坐标原点,点
,
.PA、PB分别是
的
,
的外角平分线,若点P恰好在反比例函数
的图象上,则k的值为( )
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967029835472896/2972312653103104/STEM/3dd183d4-ed12-4f07-9f9c-4a4965c0ad00.png?resizew=249)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/109a293cef44f23e86e22c1a4cfcbbe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05f91d3dae606eb82b05160c222766ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a457b899731577bfe61dda594ae4eec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2bc29145f6e7557711c34b443bd5e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967029835472896/2972312653103104/STEM/3dd183d4-ed12-4f07-9f9c-4a4965c0ad00.png?resizew=249)
A.132 | B.144 | C.156 | D.195 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】在
中,
,
,点E,F是边
上与点B,C不重合的两点,
,
,则
与
面积之和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c81f43ffb636cda0a5b17f005481cc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192155e6a3aade305b76b1eb7c75e30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f218914337edd06e59e75d90b777e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36691f0269294ecae8f00b7bce97756c.png)
A.36 | B.21 | C.30 | D.22 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,正方形ABCD的边长是3,BP=CQ,连接AQ,DP交于点O,并分别与边CD,BC交于点F,E,连接AE,下列结论:①AQ⊥DP;②OA2=OE•OP;③S△AOD=S四边形OECF;④当BP=1时,tan∠OAE=
,其中正确结论的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/42e6718f-a981-453b-99f8-1431ca76ed50.png?resizew=135)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf621789571ec8877cfbc3360ffbdd9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/21/42e6718f-a981-453b-99f8-1431ca76ed50.png?resizew=135)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在矩形ABCD中,对角线AC、BD相交于点G,E为AD的中点,连接BE交AC于F,连接FD,若∠BFA=90°,则下列四对三角形:①△BEA与△ACD;②△FED与△DEB;③△CFD与△ABG;④△ADF与△EFB.其中相似的为( )
![](https://img.xkw.com/dksih/QBM/2022/3/21/2941122439831552/3036659808796672/STEM/2713d2b1cc844a75a04decd42bf25166.png?resizew=118)
![](https://img.xkw.com/dksih/QBM/2022/3/21/2941122439831552/3036659808796672/STEM/2713d2b1cc844a75a04decd42bf25166.png?resizew=118)
A.①④ | B.①② | C.②③④ | D.①②③ |
您最近一年使用:0次