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jok3333 [9.3K]
3 years ago
5

Which set of values could be from a direct proportion?

Mathematics
2 answers:
Phantasy [73]3 years ago
6 0
It is A, because a direct proportion follows the rule y=kx, and in A, k = 12 and it works for all of the x and y values
arsen [322]3 years ago
5 0

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we know that

Direct proportion means with every increase in x, there is increase in y with constant k. i.e.

\frac{x}{y}=k

So, it becomes,

A)

\frac{x_1}{y_1}=\frac{x_2}{y_2}=\frac{x_3}{y_3}=\frac{x_4}{y_4}\\\\\frac{0.5}{6}=\frac{1}{12}=\frac{2}{24}=\frac{3}{36}

Here, k=\frac{1}{12}

So, it is in direct proportion.

b)

\frac{x_1}{y_1}=\frac{x_2}{y_2}=\frac{x_3}{y_3}=\frac{x_4}{y_4}\\\\\frac{0}{0}\neq\frac{1}{1}\neq\frac{2}{4}\neq\frac{3}{6}

C)

\frac{x_1}{y_1}=\frac{x_2}{y_2}=\frac{x_3}{y_3}=\frac{x_4}{y_4}\\\\\frac{0}{2}\neq\frac{2}{4}\neq\frac{4}{6}\neq\frac{6}{8}

Hence, we can see that Option 'A' is correct.

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