Search found 6 matches
Similar Trianges
Can someone please explain to me the "therefore" part, below? In both "therefore" cases, I see three unknowns and only two equations. How can w=y and x=z ??
- by ntquigley
Sat Apr 30, 2016 5:07 pm- Forum: Problem Solving
- Topic: Similar Trianges
- Replies: 1
- Views: 996
Thanks, that's a relief! No one wants to have to focus on being politically correct in addition to all the other GMAT studies!
- by ntquigley
Fri Feb 12, 2016 7:38 pm- Forum: Sentence Correction
- Topic: Gender Neutrality
- Replies: 4
- Views: 1560
Gender Neutrality
SC Question this post is in reference to: After many years of feeling separated by a great divide, the doctor now finds himself ( besides the lawyer, working with one another ) against HMOs and big tobacco. A besides the lawyer, working with one another B besides the lawyer, working with each other ...
- by ntquigley
Tue Feb 09, 2016 7:26 pm- Forum: Sentence Correction
- Topic: Gender Neutrality
- Replies: 4
- Views: 1560
PEMDAS and Parenthesis
Question: When can parenthesis "go away"? For example: (x+15)+(3x-5)=180 The solution is to remove the parenthesis, and solve this: x+15+3x-5=180 Obviously that is easy to solve. My question is WHY. How do I know when the parenthesis can disappear and when they cannot? Here is the simple s...
- by ntquigley
Sat Oct 24, 2015 9:09 am- Forum: GMAT Math
- Topic: PEMDAS and Parenthesis
- Replies: 2
- Views: 1842
Thank you for your detailed responses. I take comfort in the fact knowing that this is a common error. 
- by ntquigley
Thu Oct 15, 2015 7:04 am- Forum: Problem Solving
- Topic: Quadratics Question
- Replies: 4
- Views: 1400
Quadratics Question
Hello - first time post. My question is an algebraic one on a problem solving question. The question is given an equation for x, what does a quadratic equation for x equal? Can someone please explain why you cannot just solve for the two roots of the quadratic equation, and since only 1 is in the an...
- by ntquigley
Tue Oct 13, 2015 3:29 am- Forum: Problem Solving
- Topic: Quadratics Question
- Replies: 4
- Views: 1400