# What is the slope of the line perpendicular to 2y= -6x +8?

##### 1 Answer

Jul 2, 2016

#### Explanation:

Change the equation into standard form first (÷2):

The gradient is -3 - better written as

The gradients of perpendicular lines are negative reciprocals of each other.

The required gradient is

A check is that their product should be -1