SOLUTION: It's been a long time since I've done algebra and I'm trying to help a friend in another state over the phone understand what they are doing. They read a problem to me: (26x^3y^

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: It's been a long time since I've done algebra and I'm trying to help a friend in another state over the phone understand what they are doing. They read a problem to me: (26x^3y^      Log On


   



Question 442513: It's been a long time since I've done algebra and I'm trying to help a friend in another state over the phone understand what they are doing. They read a problem to me:
(26x^3y^4)/(-13xy^8)
we broke it down to
(26/-13)(x^3/x)(y^4/y^8) = -2x^2y^-4
at this point they tell me their sample shows the answer as:
(2x^2)/y^4
and I come up with (-2x^2)/y^4
What am I not remembering about getting rid of the negative sign? Their instructions are to come up with an answer with no negative signs.
Thanks.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
It's been a long time since I've done algebra and I'm trying to help a friend in another state over the phone understand what they are doing. They read a problem to me:
(26x^3y^4)/(-13xy^8)
we broke it down to
(26/-13)(x^3/x)(y^4/y^8) = -2x^2y^-4
at this point they tell me their sample shows the answer as:
(2x^2)/y^4
and I come up with (-2x^2)/y^4
What am I not remembering about getting rid of the negative sign?
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YOU are correct. The type-setter dropped the negative sign.
Cheers,
Stan H.