ANSWER :
The slope of AB is -2 and the slope of DC is 1/2
EXPLANATION :
For the line that passes through point C, we will choose a point for D.
Let's say D(-1, 1)
The coordinates of A, B, and C are as follows :
A(-3, 3)
B(-1, -1)
C(1, 2)
Using slope formula :
The slopes are :