What is the slope of a line that is perpendicular to 3 - x + 4y = 0?
更新1:
Show your work please!
Show your work please!
收錄日期: 2021-04-21 00:47:11
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20141119161032AAamBaB