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12-06-2019
Mathematics

contestada

Solve |x| < 12
A. {-12,12}
B.{x|-12 C. {x|x<-12 or x>12}

Respuesta :

kudzordzifrancis kudzordzifrancis

12-06-2019

ANSWER

{x|x>-12 or x<12}

EXPLANATION

The given inequality is

[tex] |x| \: < \: 12[/tex]

This implies that

[tex] - x \: < \: 12 \: or \: x \: < \: 12[/tex]

Divide the first inequality by -1 and reverse the sign to get;

[tex] x \: > \: - 12 \: or \: x \: < \: 12[/tex]

The correct answer is

{x|x>-12 or x<12}

Answer Link

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