marybeth568329 marybeth568329
  • 01-10-2018
  • Mathematics
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which numbers are 4 units from -2 on the number line

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kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 01-10-2018

Let the number be x


Then the absolute value of the number from -2 should be 4


[tex] |x--2|=4[/tex]


[tex] |x+2|=4[/tex]


So either



[tex] (x+2)=4[/tex]


[tex] x=4-2=2[/tex]


Or


[tex] -(x+2)=4[/tex]


[tex] x+2=-4[/tex]



[tex] x=-4-2[/tex]



[tex] x=-6[/tex]



[tex] <B>The numbers are 2 and -6</B> [/tex[


They are four units away from -2 on the number line










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