jaycie10
jaycie10 jaycie10
  • 03-05-2019
  • Mathematics
contestada

Check all that apply x^2+8x+16=2
Help me please!!

Check all that apply x28x162 Help me please class=

Respuesta :

Аноним Аноним
  • 03-05-2019

Your equation is already a perfect square, so we don't have to complete anything:

[tex]x^2+8x+16 = (x+4)^2[/tex]

So, we can write the equation as

[tex](x+4)^2=2[/tex]

Which is true if and only if

[tex]x+4 = \sqrt{2} \lor x+4=-\sqrt{2} \iff x = \sqrt{2}-4 \lor x = -2-\sqrt{4}[/tex]

Answer Link
hieuhuah142857
hieuhuah142857 hieuhuah142857
  • 03-05-2019

Answer:

A

Step-by-step explanation:

Answer Link

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