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GMAT Prep Pract Test #19

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abby.perlman
 Post subject: GMAT Prep Pract Test #19
 Post Posted: Mon Jan 10, 2011 5:14 pm 
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Course Students


Posts: 3
In the xy-plane, at what two points does the graph of y=(x+a)(x+b)?

1) A+B=1
2) Intersects y-axis at (0,-6)

Answer is C.

I was confused as to what they were asking. Now when I look at it I see that with statement two you can determine what a and b are. Could someone further clarify?
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jnelson0612
 Post subject: Re: GMAT Prep Pract Test #19
 Post Posted: Tue Jan 11, 2011 11:31 am 
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ManhattanGMAT Staff


Posts: 1857
Hi Abby,
Please check out this link: in-the-xy-plane-at-what-two-points-does-the-graph-t3862.html

_________________
Jamie Nelson
ManhattanGMAT Instructor
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