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  • 23-03-2019
  • Mathematics
contestada

find the constant of variation k for the direct variation x -1 0 2 5 f(x) 2 0 -4 -10

Respuesta :

znk
znk znk
  • 23-03-2019

Answer:

k = -2

Step-by-step explanation:

x     -1   0   2     5

f(x)  2   0  -4  -10

ƒ(x) = kx

Substitute a pair of values for x and ƒ(x)

-10 = k×5

Divide each side by 5

k = -2

The constant of variation k = -2.

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