ergent math!

2008-01-03 7:45 am
Please help me to solve 2y+x+1=0, I need to find the Gradient, the x-intercept and the y-intercept!
thanks

回答 (2)

2008-01-03 7:59 am
✔ 最佳答案
x-intercept:
put y = 0
2(0)+x+1=0
x=-1
x-intercept is (-1,0)

y-intercept:
put x=0
2y+0+1=0
y=-1/2
y-intercept is (0,-1/2)


Gradient:
[0-(-1/2)]/(-1-0)
=-0.5
參考: me
2008-01-04 1:58 am
x-intercept:
put y = 0
2(0)+x+1=0
x=-1
x-intercept is (-1,0)

y-intercept:
put x=0
2y+0+1=0
y=-1/2
y-intercept is (0,-1/2)


Gradient:
[0-(-1/2)]/(-1-0)
=-0.5


收錄日期: 2021-04-23 21:51:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080102000051KK04695

檢視 Wayback Machine 備份