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absolute value plz help!!!!!!!!

Guest Apr 13, 2017
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 #1
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Absolute Value, shown on calculators as abs(x) or |x|, is basically the positive version of a number. Here are some examples:

 

abs(1.4)=1.4

abs(27)=27

abs(-6)=6

abs(0)=0

abs(-3.3)=3.3

Guest Apr 13, 2017
 #2
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If you want to solve an equation That has an absolute value in it, You can (and should) seperate your answer to two or more different answers. Heres an example:

 

lets say we want to solve |x+4|=5. Lets seperate our answer to two different cases:

 

1. x+4 is bigger than 0, meaning the equation is x+4=5 (x=1)

 

2. x+4 is smaller than 0, meaning the equation is -x-4=5 (x=-9)

 

i hope i helped!

Ehrlich  Apr 14, 2017

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