izabelllreyes
izabelllreyes izabelllreyes
  • 26-01-2019
  • Mathematics
contestada

PLEASE HELP SOMEONE!!!


1) what is the direct variation equation if y varies directly with X and Y equals -12 when x equals 6

Respuesta :

altavistard
altavistard altavistard
  • 26-01-2019

Answer:

y = -2x

Step-by-step explanation:

For direct variation:  y = kx, where k is the constant of proportionality.

Given that Y equals -12 when x equals 6, we have -12 = k(6).  Solve this for k by dividing both sides by 6:

k = -12/6 => k = -2

Then the "direct variation equation" here is y = -2x.

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