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Write the equation of a line that is perpendicular to y=−1 and that passes through the point (8,-4)

Respuesta :

Answer:

Step-by-step explanation:

y = -1 is the equation of a horizontal line, so a line perpendicular to that is a vertical line.  It must have the form

 

x = constant

 

If it passes through (8,-4), then x = 8.

 

Final equation of the line:

 

x = 8