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by sukrant26 » Sun May 25, 2008 8:00 pm
I am not able to understand why are both statements not insufficient.

Answer is C
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by aatech » Sun May 25, 2008 8:04 pm
Both statments are SUFF... Why are you thinking they are not
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by amitansu » Sun May 25, 2008 8:25 pm
From stem 2 : the graph intersects ordinate (0,-6).

i.e. y-intercept can be known.and putting it in equation :

y=(x+a)(x+b) => y=ab=>y=-6

but how does that tell that where (two points)it intersects x-axis !!
I didn't understand.

Moreover, to me statement 1 also looks insufficient.

from y=(x+a)(x+b)
=>y=x(x+a+b)+ab
=>y=x(x-1)+ab

I am clueless....
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by amitansu » Sun May 25, 2008 8:34 pm
https://www.beatthegmat.com/gmat-prep-ge ... 10244.html

refer to this link for solution.
Ans C
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by ajmoney09 » Sun May 25, 2008 9:03 pm
This is probably the toughest question I have seen, yet.
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