Which of the following describes a graph that represents a proportional relationship?
A. The graph has a slope of 2,500 and a y-intercept of 250
B. The graph has a slope of 1,500 and a y-intercept of - 150
C. The graph has a slope of 2,000 and a y-intercept of 0
D. The graph has a slope of - 1,800 and a y-intercept of - 100
