Question 987825
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1.  y = 4/3.   It is horizontal line parallel to the  x-axis.


2.  -4x = 3.   It is vertical line parallel to the  y-axis.


3.  x = 4/3.   It is vertical line parallel to the  y-axis.


So,  the line  "1"  is perpendicular to lines  "2"  and  "3".


The line  "2"  is parallel to the line  "3".