Question: ax+by+c
y=x a,b and are constants not equal to zero.
Help!!!!!Quick,please!!!!
2007-09-23 5:41 pm
回答 (1)
2007-09-23 7:10 pm
✔ 最佳答案
如果ax+by+c=0如果a=0, 條式根本就無x, 只會得by+c=0
y永遠都=-c/b
相反也一樣,如果y=0, 條式根本就無y, 只會得ax+c=0
x永遠都=-c/a
再者,y=x的話
個slope會係constants, 即-a/b係constant
收錄日期: 2021-04-27 14:58:45
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