kaitlynnhattabaugh
kaitlynnhattabaugh kaitlynnhattabaugh
  • 28-09-2020
  • Mathematics
contestada

The value of y varies directly with x, and y = −10 when x = 40. Identify the value of y when x = −5.

y = 0.25
y = 1.52
y = 1
y = 1.25

Respuesta :

mhanifa
mhanifa mhanifa
  • 28-09-2020

Answer:

  • y = 1.25

Step-by-step explanation:

Direct variation:

  • y = kx

With given points:

  • -10 = k*40
  • k = - 1/4

The value of y when x = -5

  • y = -5*(-1/4)
  • y = 1.25

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