What is the equation for the vertical line that passes through (-7,4)?

1 Answer
Alan P.
Feb 13, 2018

#x=-7#

Explanation:

All vertical lines have a constant value for #x# with #y# ranging over all Real values.
That is, all vertical lines are of the form #x=c# for some constant #c#

Here is the graph of #x=-7# (the red line) with the given point (in green):
enter image source here

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