On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposite
direction. The number b varies directly with the number a. For example b = 2 when a = -2
-22. Which equation
represents this direct variation between a and b?
b=-a
-b=-a
b-a=0
b(-a) = 0
Mark this and return
Next
Submit