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16-12-2020
Mathematics

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5. When y varies directly with x, the value of y = -2 when x = 4. What is the value of y when x = 8?

Respuesta :

16-12-2020

Answer:

-4

Step-by-step explanation:

if y = -2 then x = 4

what is y when x = 8

[tex] \frac{ - 2}{x} = \frac{4}{8} \\ - 16 = 4x \\ x = - 4[/tex]

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