SOLUTION: Find the slope of the line 3x + 9y - 7 = 0

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Question 1965: Find the slope of the line 3x + 9y - 7 = 0
Answer by longjonsilver(2297) About Me  (Show Source):
You can put this solution on YOUR website!
re-arrange it
9y = -3x + 7
y = (-3/9)x + (7/9)
--> y = (-1/3)x + (7/9)
in this format... y=mx+c.... the number of x's is the gradient...
so gradient = -1/3
jon.