(-1, -2) and (k, k + 1)
slope = 1/3
what is the value of k?
Point A: (-1, -2)
Point B: (k, k + 1)
Slope = 1/3
Slope = yA - yB
over
xA - xB
Put it into the formula
-2 - (k + 1) 1
_________ = __
-1 - (k) 3
-2 - (-4 + 1) = 1
-1 -(-4) = 3
Therefore, k = -4
