SOLUTION: m=2 (8,5) i just cant understand equations of a line.

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Question 513505: m=2 (8,5) i just cant understand equations of a line.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
y = mx+b

5 = 2(8)+b .... plug in m = 2, x = 8 and y = 5 (since the line goes through (8, 5))

5 = 16+b

5-16 = b

-11 = b

b = -11

So the equation is y = 2x-11