mckenzieandellowpc65 mckenzieandellowpc65
  • 08-06-2021
  • Mathematics
contestada

Given that y varies directly as x when y = 2 and x = -12, find x when y = 5.

Respuesta :

rococo908
rococo908 rococo908
  • 08-06-2021

Answer:

x = -30

Step-by-step explanation:

Use the direct variation equation, y = kx

Plug in 2 as y and -12 as x, and solve for k:

y = kx

2 = k(-12)

-1/6 = k

So, the equation is y = -1/6x

Plug in 5 as y and solve for x:

y = -1/6x

5 = -1/6x

-30 = x

So, when y = 5, x = -30

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