SOLUTION: Find an equation of the line containing (3,4) and (9,9)

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Question 999195: Find an equation of the line containing (3,4) and (9,9)
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
Find slope first.
m = (y2 - y1)/(x2 - x1) = (9-4)/(9-3) = 5/6
Now use point-slope form or y=mx+b...so that
9 = (5/6)(9) + b
9 = 15/2 + b
b = 3/2
so that
y = (5/6)x + 3/2