SOLUTION: if a point on a line is known,but no other points are, what else is needed in order to create the equation of a line?

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Question 762158: if a point on a line is known,but no other points are, what else is needed in order to create the equation of a line?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
the gradient of the line.