1 . 如图,某地要在矩形区域
内建造三角形池塘
,
、
分别在
、
边上.
米,
米,
,设
,
.
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389655221157888/2389690519060480/STEM/9c7bcc978c084ea78413c8dc20d54d6d.png?resizew=139)
(1)试用解析式将
表示成
的函数;
(2)求三角形池塘
面积
的最小值及此时
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0f9bc9123d19a09babe8609cf12327.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9419302c045670b2f7384d6b0e7b7738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd3fd00798e7ec50afafe7fa7a4f42e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b612c13c2cfe38a600748ec56d092310.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd523133970e12ca6aa5c22e70519bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0f6916dda37517e10bba4ce71efe7b0.png)
![](https://img.xkw.com/dksih/QBM/2020/2/1/2389655221157888/2389690519060480/STEM/9c7bcc978c084ea78413c8dc20d54d6d.png?resizew=139)
(1)试用解析式将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)求三角形池塘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a0f9bc9123d19a09babe8609cf12327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2020-02-01更新
|
226次组卷
|
5卷引用:上海交通大学附属中学嘉定分校2022-2023学年高一下学期开学考试数学试题