How do you graph the line y = 3x + 2.

y - intercept

for x = 0

y = 3 * 0 + 2 = 0 + 2 = 2

x - intercept

3 x + 2 = 0

3 x = - 2

x = - 2 / 3

Plot coordinate system.

Them mark points :

x = 0 ; y = 2

and

x = - 2 / 3 ; y = 0

Then drawe straight line.