louisjoy45
louisjoy45 louisjoy45
  • 19-04-2021
  • Mathematics
contestada

What is the solution to the inequality below?

x² > 81

A.

B.

C.

D.​

What is the solution to the inequality belowx gt 81 A BCD class=

Respuesta :

mhanifa
mhanifa mhanifa
  • 25-04-2021

Answer:

  • C. x > 9, x < - 9

Step-by-step explanation:

  • x² > 81
  • √x² > √81
  • |x| > 9
  • x > 9, x < - 9

Correct choice is C

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