Question

Find the equation of the line that passes through the points (-2, 1) and (3, 3). Write your answer in the form y = mx + b.

Answer 1

Slop： m=y2-y1/x2-x1
m=3-1/3-(-2)
m=2/5
Substitute (3,3) into the formula y=mx+b
3= 2/5•3+b
9/5=b
So y=2/5x+ 9/5