Subject: mathqa
Question: a line has a slope of 3 / 4 and intersects the point w ( - 12 , - 39 ) . at which point does this line intersect the x - axis ?
Option: 
A: ( 30,0 )
B: ( 40,0 )
C: ( 0,30 )
D: ( 40,30 )
Answer: B