officialjudithg
officialjudithg officialjudithg
  • 07-07-2016
  • Mathematics
contestada

If square root of 5 - x = 4 , then x=
Is it 11 or -11
Please show your work.
Here's mine
Square root of 5 - x =4
(Square root of 5 - x)^2 = (4)^2
5 - x =16, x =
-5. -5, × =
___________
X = 11

Respuesta :

caylus
caylus caylus
  • 08-07-2016
Hello,

√(5-x)=4
==>5-x=16
==>x=-11

Proof:

√(5-(-11))=√16=4
Answer Link

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