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04-17-12, 10:05 PM

Onkel Neal

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Quote:

Originally Posted by U570

just a heads up about the y2-y1 and x2-x1; they are the co-ordinates of the line you are trying to find the gradient of. Just imagine the line goes through (0,0) and (3,7). The co-ordinates are as such;
y1=0, y2=7, x1=0, x2=3
sub them in accordingly; and you get
m=7-0/3-0
m=7/3
Does that help with it?

Yeah, thanks, I know that much, I was not sure about the sequence.

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