rjusto rjusto
  • 22-10-2019
  • Mathematics
contestada

Which of the following is the solution set of -21xl <-8

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 27-10-2019

Answer:

[tex]x\:>\:4[/tex] or [tex]x\:<\:-4[/tex]

Step-by-step explanation:

The given absolute value inequality is [tex]-2|x|\:<\:-8[/tex]

Divide both sides of the inequality by -2 and reverse the inequality sign:

[tex]|x|\:>\:4[/tex]

By the definition of the absolute value function;

Either [tex]x\:>\:4[/tex] or [tex]-x\:>\:4[/tex]

Divide through the rightmost inequality by -1 and reverse the sign.

This implies that:

[tex]x\:>\:4[/tex] or [tex]x\:<\:-4[/tex]

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