Write the equation of a line that is perpendicular to y=-1y=−1y, equals, minus, 1 and that passes through the point (8,-4)(8,−4)left parenthesis, 8, comma, minus, 4, right parenthesis.

x=8

Step-by-step explanation:

The equation of line is y=mx+b where m is the slope

The give equation is the equation of a horizontal line

for all horizontal line the slope is always 0

So the slope of y=-1 is 0

The perpendicular line of the given horizontal line is a vertical line

Slope of vertical line is undefined

equation of a vertical line is x= some number

The line passes through a point (8,-4)

The equation of the vertical line is x=8