Question 64011: In point-slope the problem is (1,2) Slope undefined and I was not sure how to find the slope with only one ordered pair.
Answer by josmiceli(19441)   (Show Source):
You can put this solution on YOUR website! I think that "slope undefined" means that slope = infinity.
I've seen it expressed this way. If they didn't give you
information about the slope, they probably would say
"slope not given" or something like that.
If the slope is infinite, it a vertical line through
the given point. x = constant defines a vertical line
where the constant is the x-coordinate of the point
that it goes through, in this case, (1,2)
So, x = 1 is the equation of the line.
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