If a varies directly with b and a = -2 when b =3 what is the constant of variation

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asked Dec 20, 2019 34.5k views

1 Answer

Adrian Lynch · Answer 1 · 2019-12-24T12:12:31+0000

a varies directly with b → a = kb where k is the constant of variation (i.e. slope)

-2 = k × 3 ← substitute values into the formula above

-2/3 = k ← result of dividing both sides by 3

Answer: k =
-(2)/(3)

If a varies directly with b and a = -2 when b =3 what is the constant of variation

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