adajiamcneal
  • adajiamcneal
graph the inequality |x-1| = 7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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adajiamcneal
  • adajiamcneal
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anonymous
  • anonymous
that's kinda difficult
adajiamcneal
  • adajiamcneal
i know haha

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anonymous
  • anonymous
but i wanna say b or d
adajiamcneal
  • adajiamcneal
can you by any chance have someone around you check it lol
anonymous
  • anonymous
\[\left| x-1 \right|=7 \Rightarrow x-1 = ???\] what does x-1 have to be? (Hint: it can be more than one value)
anonymous
  • anonymous
think of it like this...\[\left| \,\,\,\,\,\, \right|=7\]what values can be inside?
disqin
  • disqin
Given equation isn't an inequality
adajiamcneal
  • adajiamcneal
im confused ...
disqin
  • disqin
crosscheck it @adajiamcneal
anonymous
  • anonymous
yeah, the equation you gave in the question doesn't match any of the responses... check your equation and write it correctly, please
adajiamcneal
  • adajiamcneal
haha the equal sign is suppose to be > my bad lol
anonymous
  • anonymous
well, similarly: if \[\left| \,\,\,\, \right|>7\]what values are possible inside? do you understand absolute values?
adajiamcneal
  • adajiamcneal
yeah i understand them arent they always poitive
disqin
  • disqin
If \[|x-1|>7\] \[\implies(x-1)>7\implies x>8 \ \ \ \ \ \ \ \ \ ......\mathrm{mark\ this}\] or\[\implies (x-1)<-7 \implies x<-6\ \ \ \ \ \ \ \ \ \ \ \ \ ...... \mathrm{and\ this}\] Hence option B is right!
adajiamcneal
  • adajiamcneal
ohhhhhhh i get it noww ok thank you :)
anonymous
  • anonymous
absolute values are they same as distance... you're never a negative distance away from anything, only different directions. i'm in san diego and la is about 100 miles north.... ensenada (a town in mexico) is about 100 miles south. they are the same distance but different directions. it's the same with numbers. 7 is 7 away from 0. -7 is also 7 away from 0. so 7 and -7 are the same distance away from 0, but in different directions. so when the equation |x-1|>7 it's asking what values are more than 7 away from x-1. this implies that x-1 > 7 or x-1 < -7 because what ever is inside the absolute value signs has to be more than 7 (more than 7 miles north) or less than -7 (more than 7 miles south). make sense?
adajiamcneal
  • adajiamcneal
yess thank you both :)

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