pearsallalan pearsallalan
  • 25-04-2017
  • Mathematics
contestada

If x2 = 20, what is the value of x?

±square root of 10
±square root of 20
±10
±40

Respuesta :

Аноним Аноним
  • 15-07-2019

Answer with explanation:

It is given that

  x²=20

[tex]x=\pm (20)^{\frac{1}{2}[/tex]

Because , Square of [tex]\sqrt{20} \text{and} -\sqrt{20}[/tex] , both are equal to 20.

Option B: ±square root of 20

Answer Link
melfarra8
melfarra8 melfarra8
  • 11-11-2021

Answer:

± [tex]\sqrt{20}[/tex] is the answer

Step-by-step explanation:

Answer Link

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