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anonymous

  • one year ago

Simplify (x^-4) over (x^-2). I know this is really simple I just don't know how to go about solving it >.<

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  1. anonymous
    • one year ago
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    @freckles

  2. freckles
    • one year ago
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    \[\frac{x^{a}}{x^{b}}=x^{a-b} \text{ by quotient rule }\]

  3. freckles
    • one year ago
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    you have the same base so your answer will be that base to the power of (top exponent - bottom exponent )

  4. anonymous
    • one year ago
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    So, x^-2?

  5. freckles
    • one year ago
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    -4-(-2) -4+2 -2 the exponent is -2 good job! :)

  6. freckles
    • one year ago
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    and from previous thread you can rewrite without negative exponent by doing,,

  7. anonymous
    • one year ago
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    Ahh, I love you! Thanks a bunch

  8. freckles
    • one year ago
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    \[x^{-a}=\frac{1}{x^{a}}\]

  9. freckles
    • one year ago
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    np

  10. anonymous
    • one year ago
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    Exactly what I was going to do ;)

  11. freckles
    • one year ago
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    great stuff!

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