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Mathematics 21 Online
klmjnmkj:

math problem

klmjnmkj:

1 attachment
klmjnmkj:

@Florisalreadytaken

klmjnmkj:

@snowflake0531

klmjnmkj:

help

Florisalreadytaken:

we did a similar to this just now! this is what they have stated \[ y \propto x^3 \] We must convert that, into an equation by adding the constant of variation (k). \[ y=k \times x^3 = kx^3 \]

klmjnmkj:

8/4 ?

klmjnmkj:

8/4^2?

Florisalreadytaken:

\( k= \frac{8} { 4^3} \) it is cubed, not squared

klmjnmkj:

0.125

Florisalreadytaken:

yupp so: \[ y=0.125x^3 \]

klmjnmkj:

the ansers 0.125x^3

Florisalreadytaken:

your teacher is asking for the equation, not just the answer -- thats why it would be \(y=0.125x^3 \)

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