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Baskaranselva
- Newbie | Next Rank: 10 Posts
- Posts: 8
- Joined: Thu May 29, 2008 12:01 pm
Remember the below rules
for ax+by+c
x intercept = -c/a
y intercept = -c/b
slope = -a/b
if y intercept is positive i.e. 4
x intercept has to be positive for slope to be negative.
Therefore any non negative and non zero value for x intercept will result in negative slope.
Hence answer is 6.
















