# What is the equation of the line that passes through the point (4,-5) and is perpendicular to 2x-5y= -10?

##### 1 Answer

Oct 20, 2015

#### Explanation:

Rewrite the equation of the line we must be perpendicular to as

A line with slope

In our case, the slope must be

So, now we know everything we need, since the slope and a known point identify a line uniquely: we can find the equation with the formula