Question 390211
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A line parallel to the y-axis is a vertical line.  Vertical lines have the characteristic that the x-coordinates of all of the points that comprise the line are equal.  Since a line is a set of points, you can describe the desired line by saying:


*[tex \LARGE\ \ \ \ \ \ \ \ \ \  \{(x,y)\ |\ x\ =\ 2,\ y\ \in\ \mathbb{R}\ \}]


which means "give me the set of all ordered pairs (x,y) where x is equal to 2 and y is every possible real value"


The equation is then simply


*[tex \LARGE\ \ \ \ \ \ \ \ \ \  x\ =\ 2]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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