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Good OG question

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by vish150783 » Fri Dec 05, 2008 7:28 pm
Of the five coordinates associated with points A, B, C, D, E on the number line which has the greatest absolute value?


---------A--------B------C------D------E-------------
<--------(-2)----(-1)----(0)----(1)-----(2)-------->

(a) A
(b) B
(c) C
(d) D
(e) E

I want to understand the concept.. could not quite grasp it from OG.
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by kheba » Fri Dec 05, 2008 8:55 pm
Hi,

Greatest value is defined as the distance from the origin, hence the value of |-2| = |2|. Similarly |-2|>|1|.. hope u can use this concept to answer the question.
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by vish150783 » Sat Dec 06, 2008 8:44 am
kheba wrote:Hi,

Greatest value is defined as the distance from the origin, hence the value of |-2| = |2|. Similarly |-2|>|1|.. hope u can use this concept to answer the question.
But isnt |2| = |-2| = same?

So how do you know if 2 is right or -2 right? because the absolute values of these two values are same.
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by dmateer25 » Sat Dec 06, 2008 8:52 am
Are you referring to question 20 on page 154 of OG 11?
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by anayeri » Sat Dec 06, 2008 9:28 am
yes, looks like that's the one.

Can someone explain this? Why is -2 any further from the origini than 2?
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by dmateer25 » Sat Dec 06, 2008 9:47 am
This was a mistake in the book:

https://www.mba.com/NR/rdonlyres/B6424CF ... l82006.pdf

Use that link for a PDF file of all corrections to OG11
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by vish150783 » Sat Dec 06, 2008 11:12 am
dmateer25 wrote:This was a mistake in the book:

https://www.mba.com/NR/rdonlyres/B6424CF ... l82006.pdf

Use that link for a PDF file of all corrections to OG11
Of great help! cheers...did not know this existed.
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by anayeri » Sat Dec 06, 2008 1:15 pm
sweet! thanks.
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by canuckclint » Fri Dec 12, 2008 7:27 pm
Answers is A
Cheers
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