officialjudithg officialjudithg

07-07-2016
Mathematics

Answered

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

Verified Answer :

08-07-2016

Hello,

√(5-x)=4
==>5-x=16
==>x=-11

Proof:

√(5-(-11))=√16=4

Answer Link

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