# How do you write a slope-intercept equation for a line perpendicular to 3x + y - 2 = 0 with point (2,1)?

##### 1 Answer

Aug 14, 2017

#### Explanation:

First put the equation in slope intercept form => slope = - 3

Product of slopes of perpendicular lines = - 1

So the perpendicular line has m = 1/3

Then use the point - slope formula and solve for just ' y '

to get the slope intercept form.