Question

Which option gives the point-slope form of the equation of the graphed line?
Points on graph: (3, -1), (1, -2), (-1, -3), (-3, -4), (-5, -5)
y+2=(1/2)(x-1)
x-2y = 5
y =(1/2)x-2.5
y +4=(1/2)(x-3)

Answer 1

y + 2 = (1/2)(x - 1)

Reason: slope = (−1 − (−2))/(3−1) = 1/2, and using point (1, −2) gives y − (−2) = (1/2)(x − 1) → y + 2 = (1/2)(x − 1).