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Need help on Absolute values - preparation

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divakarbio7
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Need help on Absolute values - preparation [#permalink] New post   02 May 2012, 22:25
Guys,
Need your input as to how to approach absolute values problems. Facing little challenge in understanding the theroy and applying the same to problems :( :(
also just wanted to know is |x|always positive? when can this can be negative?
say if a expression says |x-4| > 4 = how can i read this / how can i rewrite this expression....sounds very basic but getting real trouble here...



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Re: Need help on Absolute values - preparation [#permalink] New post   03 May 2012, 12:07
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divakarbio7 wrote:
Guys,
Need your input as to how to approach absolute values problems. Facing little challenge in understanding the theroy and applying the same to problems :( :(
also just wanted to know is |x|always positive? when can this can be negative?
say if a expression says |x-4| > 4 = how can i read this / how can i rewrite this expression....sounds very basic but getting real trouble here...


Check Absolute Value chapter of Math Book: math-absolute-value-modulus-86462.html

DS questions on absolute value to practice: search.php?search_id=tag&tag_id=37
PS questions on absolute value to practice: search.php?search_id=tag&tag_id=58

Tough absolute value and inequity questions with detailed solutions: inequality-and-absolute-value-questions-from-my-collection-86939.html

Hope it helps.
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KarishmaB
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Re: Need help on Absolute values - preparation [#permalink] New post   04 May 2012, 19:01
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divakarbio7 wrote:
Guys,
Need your input as to how to approach absolute values problems. Facing little challenge in understanding the theroy and applying the same to problems :( :(
also just wanted to know is |x|always positive? when can this can be negative?
say if a expression says |x-4| > 4 = how can i read this / how can i rewrite this expression....sounds very basic but getting real trouble here...


It you are still facing problems, check out this post for absolute value fundamentals: https://www.gmatclub.com/forum/veritas-prep-resource-links-no-longer-available-399979.html#/2011/01 ... edore-did/
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GyanOne
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Re: Need help on Absolute values - preparation [#permalink] New post   02 May 2012, 23:07
Expert Reply
Check this out:

math-absolute-value-modulus-86462.html

If you still have doubts, post them back to the forum
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Re: Need help on Absolute values - preparation [#permalink] New post   03 May 2012, 02:53
https://www.manhattangmat.com/strategy-s ... -value.cfm

thi article is simple amazing...........for me to overcome this difficult topic is to think always to absolute value as a distance point with a key central point. and then move on with different techniques.

Read very carefull this article and the other posts on that blog.

If you need, do not esitate to ask ;)
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Re: Need help on Absolute values - preparation [#permalink] New post   05 May 2012, 04:40
this is an amazing community. that's it



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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Re: Need help on Absolute values - preparation [#permalink]
05 May 2012, 04:40
Moderator:
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