Answered

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Rational Expression and EquationsClassify each equation as direct inverse or joint variation then state the constant of variation

Rational Expression And EquationsClassify Each Equation As Direct Inverse Or Joint Variation Then State The Constant Of Variation class=

Sagot :

2. Given:

[tex]y=7z[/tex]

To classify the equation as direct, inverse or joint variation then state the constant of variation​:

It is of the form,

[tex]y=kz,\text{ whe}re\text{ }k\text{ is the constant}[/tex]

If y increases then z increases and if y decreases then z decreases.

Therefore, it is direct variation.

We know that the ratio between two variables in a direct variation is a constant of variation.

Thus, the constant of variation is k = 7.

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