Hi,

Using the standard slope-intercept form for an equation of a line y = mx + b

  where m is the slope and b the y-intercept.

line that passes through the point 

(2,1) and 

(2,5)    m = -4/0 , NO slope, vertical line x = 2



 

Answer by graphmatics(170)   (Show Source): You can put this solution on YOUR website!
 First if we try to compute the slope of the line we find the slope is undefined. The line is a vertical line and x=2 is the equation. 

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