25tjking 25tjking
  • 21-08-2020
  • Mathematics
contestada

x to the power of 2 = 121 what is x

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Аноним Аноним
  • 21-08-2020
So the first step here is to square 121 which is 11. So therefore 11 to the power of 2 is 121. Reverse operation is key in this question or any question like this.
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tramserran
tramserran tramserran
  • 22-08-2020

Answer:  x = -11, x = 11

Step-by-step explanation:

   x² = 121

 [tex]\sqrt{x^2}=\sqrt{121}[/tex]

   x = ±11

  x = -11, x = 11

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