在平面直角坐标系xOy中,点P(x0,y0)到直线Ax+By+C=0的距离公式为d=
,例如:点P0(0,0)到直线4x+3y﹣3=0的距离为d=
,根据以上材料,求点P1(3,4)到直线y=﹣
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18b2961beea1ca9a5a0a71ae86005fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a010353e260b3acaf0f48f7eeff288bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17928fc32a5288cef2b0f80e0679c06d.png)
A.3 | B.4 | C.5 | D.6 |
更新时间:2020-04-08 15:01:08
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