Seudónimo Seudónimo

14-04-2022
Mathematics

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If y varies directly as x, and y is 20 when x is 4, what is the constant of variation for this relation?
1/5
4/5
5
16

Respuesta :

jcherry99 jcherry99

14-04-2022

Answer:

Step-by-step explanation:

y = k*x This is the formula for a direct variation.

y = 20
x = 4 Substitute these values into the direct variation

20 = 4 * k Divide by 4

20/4 = 4k/4

k = 5

Answer: the constant of variation is 5

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