Search found 19 matches


This is from the GMATClub iPhone app... Correct answer is E Statements (1) and (2) combined are insufficient. In equation y = kx + b , k is the slope of the line while b is the elevation (y-coordinate of the point where the line intersects with the vertical axis). Neither statement precludes the lin...

by agresj

Tue Mar 30, 2010 6:39 am
Forum: Data Sufficiency
Topic: Circles and tangent lines
Replies: 5
Views: 3560

Circles and tangent lines

Is line y = kx + b tangent to a circle x^2 + y^2 = 1?

1. k + b = 1
2. k^2 + b^2 = 1

by agresj

Tue Mar 30, 2010 5:36 am
Forum: Data Sufficiency
Topic: Circles and tangent lines
Replies: 5
Views: 3560

Help with exponent problem...

I can't seem to figure out the following problem. I think I'm just blanking on a rule that I should be applying...

[(1/5)^m] * [(1/4)^18] = 1/[2 * (10)^35]

a) 17
b) 18
c) 34
d) 35
e) 36


Thanks...

by agresj

Mon Mar 29, 2010 7:36 am
Forum: Problem Solving
Topic: Help with exponent problem...
Replies: 4
Views: 1385

Bombed the practice - what can I expect, what do I do next?

Had a bad day. Scored a 500 on the GMATPrep practice exam. Now, this is my first score, and having not studied very much (a couple days of some challenging problems, etc.), I was wondering what I can expect. I was hoping for a 700 when I take the GMAT at the end of May. However, after today, I'm not...

by agresj

Thu Mar 25, 2010 1:03 pm
Forum: GMAT Strategy
Topic: Bombed the practice - what can I expect, what do I do next?
Replies: 1
Views: 720