determine the equation of the line passing through the point (2,1) and (2,0)
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1 Answer

slope = rise over run = (y1 - y2) / (x1 - x2)

(1 - 0) / (2 - 2)

1 / 0

slope undefined

vertical line

equation of a vertical line passing through point (a,b) is x = a

Answer: x = 2
by Level 13 User (103k points)

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