# How do you make a perpendicular line when you're given an existing line and its equation? What's the catch?

##### 1 Answer

See explanation

#### Explanation:

The slope

Now, to determine the equation of

Example:

Find the equation of the line

The slope

Now that we have the slope, let's find the

To do this, we substitute the coordinates of a point that the line passes through. In this case,

Hence, the equation of the line