Answer:
Step-by-step explanation:
The points are (1, 3) and (-1, 1)
y2 = 1, y1 = 3, x2 = -1 and x1 = 1
Slope m = (y2 - y1)/(x2 - x1)
m = (1 - 3)/(-1 - 1)
m = -2/-2
m = 1
The question is
y - y1 = m(x - x1)
y - 3 = 1(x - 1)
y - 3 = x - 1
y = x - 1 + 3
y = x + 2
