SOLUTION: Why is the line x=4 a verticle line.

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Question 154667: Why is the line x=4 a verticle line.
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
X=4 MEANS NO MATTER WHAT Y VALUE IS GIVEN THE CORRESPONDING X VALUE IS 4.
THE BEST WAY TO VISUALIZE THIS IS THE GRAPH X=4 AS A VERTICLE LINE THROUGH THE POINT (4,0).