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study guide chapter 3 , in action problem 4.

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rekhamadan
 Post subject: study guide chapter 3 , in action problem 4.
 Post Posted: Tue Mar 03, 2009 1:24 am 
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Posts: 2
my frist step was to square both sides of the equation, including the 5 - so it became 25.
then i subtracted 25 from both sides and, and had -y^2 = -16
so y = +/-4.

i understand how the book solved the problem, but i dont understand why my method didnt work.
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JonathanSchneider
 Post subject: Re: study guide chapter 3 , in action problem 4.
 Post Posted: Wed Mar 11, 2009 2:11 pm 
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ManhattanGMAT Staff


Posts: 480
Location: Durham, NC
which strategy guide are we talking about here?
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