Beat The GMAT

hariharakarthi · Wed Nov 18, 2009 6:27 pm

If x is an integer, what is the value of x ?

(1) x2 - 4x + 3 < 0
(2) x2 + 4x +3 > 0

Please explain the approach

palvarez · Wed Nov 18, 2009 6:31 pm

1. (x-3)(x-1) < 0
1 < x < 3, x = 2

2. x < -3 or x > -1
Infinite number of integers satisfy this.

A is the answer

hariharakarthi · Wed Nov 18, 2009 7:24 pm

Hi,

Can you explain how did you solve for x from (x-3)(x-1)<0 to 1<x<3?

Your ans is correct.

Regards,
hhk.

Willy · Fri Nov 20, 2009 5:59 pm

E

It cannot be A coz X<1 AND X<3 ,more than two values for X meaning

Inequality DS