Question

HELP PLEASE
What is the slope of a line that passes through the point (−1, 1) and is parallel to a line that passes through (3, 6) and (1, −2)?

Answer 1

(-2-6)/(1-3)=4=m
1=4(-1)+b
1=-4+b
5=b
y=4x+5

Answer 2

slope = change in y/change in x
(-2-6)/(1-3) = -8/-2 =4
parallel lines have the same slope
using the point (-1 1)
y = mx + b
1 = 4(-1) + b
b=5
y = 4x + 5