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Genrish500 [490]
3 years ago
13

Which of the following has a constant of proportionality of 2?

Mathematics
2 answers:
uysha [10]3 years ago
8 0

Answer : y= 2x

When y is directly proportional to x then

y = kx where k is the constant of proportionality.

y = 2x , the value of k is 2. so 2 is the constant of proportionality.

y = x + 2, the equation is not in the form of y=kx

2y = x , y= \frac{x}{2} so constant of proportionality k is \frac{1}{2}

y + 2 = 2x , y = 2x -2 is not in the form of y=kx


denis-greek [22]3 years ago
6 0
Linear fonction's equation : y = ax

So only in y = 2x
2 is the constant of <span>proportionality</span>
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