Question 1159297
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The lines with UNDEFINED slope are those and ONLY THOSE that have an equation of the form x = c, where "c" is some constant.


An equation of this form for the straight line passing from the point (x,y) = (3,0) is  x = 3.


<U>ANSWER</U>.  Your equation has the form  x = 3.


Vertical  line through the point (3,0).
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Solved and explained.