# How do you find a standard form equation for the line with (-2, 2); perpendicular to y = 4?

##### 1 Answer

Jun 13, 2017

When given a line of the form,

Swap "a" and "b":

Make "a" negative:

Set it equal to an unknown constant:

#### Explanation:

Given:

Standard form for equation [1] is:

To make a perpendicular line:

Swap "a" and "b":

Make "a" negative:

Set it equal to and unknown constant:

Use the point

The standard form is: