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Ответ:

Adithya27

21.06.2021

Direct variation

Step-by-step explanation:

Given

$\frac{a_1}{b_1} = \frac{a_2}{b_2}$

Required

The type of variation

The given equation represents a direct variation.

A direct variation is:

a = kb

Where

$k\to$ constant of variation

Make k the subject

$k = \frac{a}{b}$

For corresponding values of and b, we have:

$k = \frac{a_1}{b_1} = \frac{a_2}{b_2} = \frac{a_3}{b_3} = ............. =\frac{a_n}{b_n}$

Hence, $\frac{a_1}{b_1} = \frac{a_2}{b_2}$ is a direct variation

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