myiah234
myiah234
15.04.2020 • 
Mathematics

On a number line, a number, b, is located the same distance from 0 as another number, a, but in the opposi
number b varies directly with the number a. For example b = 23 when a = -23. Which equation represents
variation between a and b?
b= -a
-b = -a
b-a = 0
B(-a) = 0

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