已知点P(x,y)的坐标满足条件
,则点P到直线4x+3y+1= 0的距离的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4009d24f539d13799b4f8365779467fc.png)
更新时间:2019-01-25 16:06:30
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【知识点】 简单的线性规划问题
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填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】已知实数x,y满足
则z=
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baccc042f933725ddde22a362bfa1a74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f720db7ddd21fc394edb77d2521ccd.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】设
,其中实数
,
满足
,若
的最小值为
,则正实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5a41f62c8e84d0fa16ea07a13d0257.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/d1bed1503dce28a0ebdbe3c9af77d898.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次