Mathematics, 18.03.2021 01:10 cstevenson
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 = β2a equals negative 2 and StartFraction 3 Over 4 EndFraction.. Which equation represents this direct variation between a and b?
b = βa
βb = βa
b β a = 0
b(βa) = 0
Answers: 3
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