Respuesta :
Answer:
y=1.5x+2
Step-by-step explanation:
Step 1, find slope
(20-8)/(12-4)
12/8 = 1.5
slope = 1.5
Step 2, find the y-intercept
y = 1.5x+b
use point (4,8)
8 = 1.5(4)+b
8 = 6+b
-6 -6
2 = b
Step 3, put it all in slope-intercept form (y = mx+b)
y = 1.5x+2
Answer: y = 1.5x+2