Question

Line 1 passes through the points (-20, -4) and (-11,-4).

Line 2 is perpendicular to Line 1 and passes through the
point (-17, -14).
What is the equation of Line 2?

Answer 1

something noteworthy is that, the y-coordinate for Line 1 is the same, well that simply means that Line 1 is a horizontal line, anything perpendicular to a horizontal line is simply a vertical line, Check the picture below.