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Q&A #7470

Teachers' Lounge Discussion: System of equations

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From: N.Goodluck Nwaerondu <math_is_life@hotmail.com>
To: Teacher2Teacher Public Discussion
Date: 2002102607:25:12
Subject: Re: math system of equations

On 2002102112:56:59, megan wrote:
>	please help me solve this system of equations.
>y=3/5x-2
>y=x/10+1
>y=y
therefore: 3/5x-2=x/11  OR did you mean x/10x+1
then cross multiply:
3(10x+1) = x(5x-2)      OR 3(11) = x(5x-2)
5x^2-32x-3 = 0             5x^2-2x-33=0
Then use the quadratic formula to solve:

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