Mathematics, 16.10.2020 05:01 gshreya2005
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 = 2a equals negative 2 and StartFraction 3 Over 4 EndFraction. when a = โ2a equals negative 2 and StartFraction 3 Over 4 EndFraction.. Which equation represents this direct variation between a and b?
b = โa
โb = โa
b โ a = 0
b(โa) = 0
Answers: 2
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