# Line l passes through (1,-3) and i perpendicular to #y=1/5x-7# What the equation of line l?

##### 1 Answer

Apr 28, 2018

The slope of the perpendicular is the negative reciprocal of the slope of the given line, and the constant is determined by the point it passes through, giving

#### Explanation:

The usual method is to say the slope is

My preferred method is to bring