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Algebra -Please check

posted by on .

How do I simply 4^-1x^0/y^-1

possible answers:

1/4y
4y
y/4
4

I really don't get these- but I think it might be y/4 because you take the negative to the top and the negative to the bottom, right?

  • Algebra -Please check - ,

    remember that x^(-a) = 1/x^a
    and a^0 - 1 for all a>0

    4^-1x^0/y^-1
    = (1/4)(x^0)(1/y)
    = (1/4)(1)(1/y)
    = 1/(4y)

    (they should not have written the answer as 1/4y , it would mean (1/4) y )

  • Algebra -Please check - ,

    The way you explained it, I can understand it-the way my teacher explained it-I was still confused
    Thank you very much

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