Question 1042148: Find an equation(s) of the line(s) containing (3, -1) and at a distance 4 from (-1, 3).
Answer by Aldorozos(172)   (Show Source):
You can put this solution on YOUR website! Lets think about a line x = 3 which is a vertical line parallel to y axis. This link passes through many points such as (3,-1), (3,-2), (3,0), (3,1), (3,2),(3,3),(3,4), (3,4.6) and many other points that their x=3 and their y can be any number.
The point (-1,3) is to the left of this vertical line. The distance between this line and (-1,3) is 4. If we draw the shortest line from the point (-1,3) to the line x=3, it will intersect the line at the point (3,3).
The answer to this problem is the line x = 3
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