nickgo3 nickgo3 26-06-2020 Mathematics contestada On a number line, b, is located the same distance from 0 as another number, a, but in the opposite direction. The number b varies directly with number a. For example b= 11/4 when a= -11/4 A) b=-a B) -b=-a C) b-a=0 D) b(-a)=0