如图①,在
中,
,动点
从点A出发,沿折线
运动到点
,速度为
,其中
的长与运动时间
的关系如图②.则
的面积为______
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cc6293cfedec30b124ece908c4c438.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc2d9b900111188aca83126dff97f32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ce13774b09ff2edddaf21a072cf60a.png)
23-24八年级上·浙江宁波·期末 查看更多[4]
浙江省宁波市慈溪市2023-2024学年八年级上学期期末数学试题(已下线)专题19.6 函数的图象(分层练习)(提升练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)湖南省衡阳市八中教育集团2023-2024学年八年级下学期期中数学试题河南省南阳市邓州市2023-2024学年八年级下学期期中数学试题
更新时间:2024-03-02 10:26:05
|
相似题推荐
填空题
|
适中
(0.65)
真题
【推荐1】如图1,△ABC中,∠ABC=60°,D是BC边上的一个动点(不与点B,C重合),DE
AB,交AC于点E,EF
BC,交AB于点F.设BD的长为x,四边形BDEF的面积为y,y与x的函数图象是如图2所示的一段抛物线,其顶点P的坐标为(2,3),则AB的长为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9bfa68259d7a331be323b2038d628a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/9/53c26c85-5760-40cd-98b7-632522e3afdc.png?resizew=357)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,
是
半径,
是
中点,Q在
上从点A开始沿逆时针方向运动一周停止,运动时间是
,线段PQ的长度是
,图2是y随x变化的关系图象,则当点Q运动到使
时,t的值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e49794721f5504dd828acf49be37ff42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/795d5254e8ff0ca3872d4ff964973628.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c51451b51ae800f80b405a93c8bce62.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,点
是
边上的一个动点,当点
在
边上移动时,
为最小值时,
的长是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3d20bd589474bcb4a73e858d86c3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b80c771a86c5946954f30eedc81f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc5c19ac440746be97d8b46af5d288a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/20/8724a249-6fdd-439a-b714-33e5facaf8b6.png?resizew=161)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】已知等腰三角形ABC中,AB=AC,BC=6,以A为圆心2为半径长作⊙A,以B为圆心BC为半径作⊙B,如果⊙A与⊙B内切,那么△ABC的面积等于_____ .
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】现有两根长度为2cm和
cm的小棒,要利用这两根小棒作边围成直角三角形,则所需第三根小棒的长可以是_____________ cm.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b40e7675a3485b647d97fafcc6dec36.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,在
中,
,D为
上一点,且
,O为
中点,E为
上一点,且
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404728d0ea2699c71e674f30dd984abd.png)
____________ .
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7def75607e6b63bc96ffdbd598fc22f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1682d306c38087d9e6f7efb9cec596a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9f63d194aa0d4091618b6f41f569ee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/404728d0ea2699c71e674f30dd984abd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/24/6d613eef-b5d9-42cf-8cfb-a234f705a388.png?resizew=180)
您最近一年使用:0次