# How do you find equations of the lines passing through (1,3 ) perpendicular to line x+y=0?

##### 1 Answer

Jun 17, 2016

#### Explanation:

There will only be one line which meet these conditions.

This line has a gradient = -1.

The line perpendicular to it has a gradient of 1.

We have (x,y) = (1,3) and m = 1

Equation is