Does the equation y - 1-7 x represent indirect variation-

For indirect variation, the equation for constant of proportionality (k) is: y × x = k The given equation: y = 1/7 x nbsp; ⇒ nbsp; nbsp;x/y = 7 This nb ...

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Standard VIII

Mathematics

Indirect Variation

Does the equa...

Question

Does the equation $y = \frac{1}{7} x$ represent indirect variation?

Yes.

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No.

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Solution

The correct option is B No.
For indirect variation, the equation for constant of proportionality ( $k$ ) is:
$y \times x = k$

The given equation:
$y = \frac{1}{7} x \Rightarrow \frac{x}{y} = 7$
This doesn't satisfy the given criteria so it cannot be an equation for indirect equation.

Option (b.) is correct.

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Does the equation y=17x represent indirect variation?

The correct option is B No.For indirect variation, the equation for constant of proportionality (k) is: y×x=k The given equation: y=17x⇒xy=7 This doesn't satisfy the given criteria so it cannot be an equation for indirect equation. Option (b.) is correct.

Does the equation $y = \frac{1}{7} x$ represent indirect variation?