bryannanunez627
bryannanunez627 bryannanunez627
  • 02-07-2020
  • Mathematics
contestada

What is the solution set of -lx| = -8?
O {8}
O {-8}
O {-8, 8}
O no solution

Respuesta :

niveabraylon2 niveabraylon2
  • 02-07-2020
I think the answer is -8,8 because once the number is in the absolute sign everything turns positive
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Аноним Аноним
  • 02-07-2020

Answer:

O {-8, 8}

Step-by-step explanation:

[tex]-|x| = -8\\\\\frac{-|x|=-8}{-1}\\\\|x|=8\\\\\text{Apply rule: If } |u|=a, a > 0, \text {then } u=a \text { or } u=-a\\\\\boxed {x = -8, x = 8}[/tex]

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