Answer:
y = -1/2x + 4
Step-by-step explanation:
y2 - y1 / x2 - x1
5 - 1 / -2 - 6
4 / -8
= -1/2
y = -1/2x + b
5 = -1/2(-2) + b
5 = 1 + b
4 = b