Answer:
y = .5x - 26.6
Explanation:
You first want to put the equation in point-slope form, which is y - y1 = m(x - x1)
y - (-22.2) = .5(x - 8.8)
y + 22.2 = .5(x - 8.8)
Then you want to distribute and get y by itself.
Y + 22.2 = .5x - 4.4
y = .5x - 26.6
This would be the answer.