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. Which equation represents this direct
variation between a and b?
b = -a
-b = -a
b-a = 0
Ob(-a) = 0

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step-by-step explanation:

the x's and the y's both go up the same amount each time, therefore it will be a linear function because it will go in a straight line when drawn on a graph.

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stop cheating

step-by-step explanation:

30005

yes ok                                            

1/3 + 1/3 ≠ 2/6 because 1/3 alone = 2/6  

step by step explanation:

1/3 + 1/3 = 2/3       2/3=4/6