SOLUTION: Just learning.
In linear equations, why is the line x=4 a vertical line?
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Question 469266: Just learning.
In linear equations, why is the line x=4 a vertical line?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
A line is a set of ordered pairs. A vertical line must consist of ordered pairs where the 
-coordinates are all equal. That particular vertical line which is descrbed by the set of all ordered pairs that have an -coordinate equal to 
is uniquely described by the equation 
because any ordered pair with an -coordinate of , regardless of the value of the 
-coordinate, will be an element of the solution set of the equation
John
My calculator said it, I believe it, that settles it
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