kaylaspringer10 kaylaspringer10

02-02-2021
Mathematics

contestada

Suppose y varies directly with x when x is 4, y is 32. What is y when x is -2

Respuesta :

ChoiSungHyun ChoiSungHyun

02-02-2021

Step-by-step explanation:

Since y varies directly with x,

y = kx, where k is a real constant.

When x = 4, y = 32.

=> (32) = (4)k, k = 8.

Therefore when x = -2,

y = kx = (8)(-2) = -16.

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