Katsuki1Bakugo Katsuki1Bakugo

23-04-2021
Mathematics

contestada

The value of y is proportional to x. When x=3 , then y = 15. Which equation represents the relationship between x and y?
A.y=5x
B.y=12x
C.y=0.2x
D.y=45x

Respuesta :

mhanifa mhanifa

23-04-2021

Answer:

A. y = 5x

Step-by-step explanation:

Direct proportion equation:

y = kx, where k is the coefficient of proportionality

We have:

x = 3 and y = 15

Using the equation to find the value of k:

15 = 3k
k = 15/3
k = 5

The equation of the line:

y = 5x

Correct choice is A

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