amyy83 amyy83
  • 14-09-2019
  • Mathematics
contestada

which values are in the solution set of |x| = 3

a.) x < 3
b.) x > 3
c.) x = -3
d.) x = 0

Respuesta :

gmany
gmany gmany
  • 14-09-2019

Answer:

c.) x = -3

Step-by-step explanation:

[tex]|a|=\left\{\begin{array}{ccc}a&for&a\geq0\\-a&for&a<0\end{array}\right\\\\\text{Examples:}\\\\|2|=2\\|-5|=-(-5)=5\\|0|=0\\|-23|=23\\\\=====================\\\\|x|=3\Rightarrow x=-3\ or\ x=3\\\\\text{Check:}\\\\|3|=3\\|-3|=-(-3)=3[/tex]

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babynare
babynare babynare
  • 15-09-2019
The answer is c. X=-3
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