honey71 honey71
  • 02-04-2019
  • Mathematics
contestada

Explain why the square root64 has a positive and negative value

Respuesta :

S1NGH
S1NGH S1NGH
  • 02-04-2019

Answer:

Because when you square 8 or -8, you will still end up at 64

8 x 8 = 64

(-8) x (-8) = 64

Step-by-step explanation:

Answer Link
shadannamazifard22 shadannamazifard22
  • 02-04-2019

Ok so the square root of 64 is both positive and negative 8 because :

8^2= 64 but at the same time:

(-8)^2=64 because - to the power of two becomes positive so it has two answers because both 8 and -8 to the power of 2 is 64

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