Search found 4 matches
- by sweet83
Mon Mar 09, 2009 8:26 pm- Forum: Problem Solving
- Topic: Roots in common with x2-6x+5=0
- Replies: 5
- Views: 17815
- by sweet83
Mon Mar 09, 2009 8:24 pm- Forum: Data Sufficiency
- Topic: If w + z = 28
- Replies: 6
- Views: 2690
why dont we consider negative odd integers
the problem does not state when the consecutive odd integers are negative or positive. if we consider negative odd integers, then should'nt the answer be C?
someone please explain.. thanks!
- by sweet83
Mon Mar 09, 2009 7:28 pm- Forum: Data Sufficiency
- Topic: If w + z = 28
- Replies: 6
- Views: 2690
Roots in common with x2-6x+5=0
Which of the following equation has roots common with x2-6x+5=0? a. x2+1 = 0 b. x2-x-2=0 c. x2-10x-5=0 d. 2x2-2=0 e. x2-2x-3=0 Answer is D. (sorry dont know how to hide the answer!) This is simple problem, but i not able to understand the official answer. (x-5) (x-1) = 0, so factors are 5 and 1. The...
- by sweet83
Mon Mar 09, 2009 7:21 pm- Forum: Problem Solving
- Topic: Roots in common with x2-6x+5=0
- Replies: 5
- Views: 17815