jamayfield2002 jamayfield2002
  • 03-04-2017
  • Mathematics
contestada

Which of the following statements follows from (x - 3)2 = 7?

x2 + 9 = 7

x - 3 = ±

x - 3 = ±49

Respuesta :

Ashvin1
Ashvin1 Ashvin1
  • 03-04-2017
the first one hope this clarifies
Answer Link
OrethaWilkison OrethaWilkison
  • 13-05-2019

Answer:

Option B is correct

[tex]x-3 = \pm \sqrt{7}[/tex]

Step-by-step explanation:

Given the equation:

[tex](x-3)^2 = 7[/tex]

taking square root both sides we have;

[tex]\sqrt{(x-3)^2} = \pm \sqrt{7}[/tex]

Using exponent rules:

[tex]\sqrt[n]{x^n}=x[/tex]

then;

[tex]x-3 = \pm \sqrt{7}[/tex]

Therefore, the following statements follows from [tex](x-3)^2 = 7[/tex] is, [tex]x-3 = \pm \sqrt{7}[/tex]

Answer Link

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