Question

Write the equation of a line that is perpendicular to y=5 and that passes through the point (-7,-5)

Answer 1

x=-7

Explanation:

KHAN

Answer 2

perpendicular lines have negative reciprocal slopes

y=5 has a slope of 0

so the new line has an undefined slope

it will be a vertical line

it has to pass thru (-7,-5)

x=-7