Respuesta :

wegnerkolmp2741o

Answer:

x=-9

Step-by-step explanation:

Perpendicular to a horizontal line means that it is vertical

A vertical line has an equation of the form x=

We are going through the point (-9,4)  the x coordinate is -9

x=-9

amna04352

Answer:

x = -9

Step-by-step explanation:

Perpendicular to horizontal is a vertical line.

The x coordinate on a vertical line is constant

The equation is of the form:

x = c

Since this line passed through (-9,4l

c = -9

Equation is x = -9

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