Pls help me URGENT!!!!
The graph of a linear function f passes through the point (-4,0) and (2,-8).
Which statement must be true?
A) the slope of the graph is f is -4.
B) the graph of f passes through the point (1,-4).
C) the zero of f is 4
D) the x-intercept of the graph of f is -4.
Pls hurry!!!