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Mathematics 17 Online
OpenStudy (anonymous):

Write the below problem...

OpenStudy (anonymous):

OpenStudy (jdoe0001):

do you know what the reciprocal of a number is?

OpenStudy (anonymous):

@jdoe0001 : Yes. Like... 2's reciprocal is 1/2.

OpenStudy (jdoe0001):

2's?

OpenStudy (anonymous):

@jdoe0001 : The number 2

OpenStudy (jdoe0001):

ohh.. yes

OpenStudy (jdoe0001):

well, and 1/2 can be expressed as \(\large 2^{-1}\)

OpenStudy (jdoe0001):

$$ \large { \cfrac{1}{x} \implies x^{-1}\\ \\ \sqrt[\color{blue}{n}]{x^\color{red}{m}} \implies x^{\frac{\color{red}{m}}{\color{blue}{n}}} } $$

OpenStudy (jdoe0001):

so, try that with your denominator

OpenStudy (jdoe0001):

\(\large \cfrac{a}{x} \implies ax^{-1}\\ \)

OpenStudy (anonymous):

@jdoe0001 Oh! So that's how you would do that. So... Would it be something like this?: \[8x^{15/7}\]

OpenStudy (jdoe0001):

\(\large 8x^{-15/7}\)

OpenStudy (jdoe0001):

negative, the "x" is in reciprocal form

OpenStudy (anonymous):

Ah, my mistake. I mistyped.

OpenStudy (anonymous):

Thanks!

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