Answer:
B
Step-by-step explanation:
You can eliminate A and D.
A is vertical, which means it has an undefined slope.
D is a positive slope. If you follow the line from left to right it goes up hill.
B has a slope of -2. Find to points on line B, (-3, 2) and (-2, 0). If you move from (-3, 2) to (-2, 0) using rise/run you will get a -2/1.
