ChernnellHeyI
ChernnellHeyI ChernnellHeyI
  • 26-04-2016
  • Mathematics
contestada

Solve x^2 + 8x + 8 = 0 by completing the square.
Which equation is used in the process?
(x + 4)^2 = 0
(x + 4)^2 = 4
(x + 4)^2 = 8

Respuesta :

Panoyin
Panoyin Panoyin
  • 26-04-2016
                    x² + 8x + 8 = 0
              x² + 8x + 8 + 8 = 0 + 8
                  x² + 8x + 16 = 8
          x² + 4x + 4x + 16 = 8
x(x) + x(4) + 4(x) + 4(4) = 8
        x(x + 4) + 4(x + 4) = 8
                (x + 4)(x + 4) = 8
                         (x + 4)² = 8

The answer is C.
Answer Link
1013355 1013355
  • 19-07-2018

The answer is C: (x + 4)2 = 8

Answer Link

Otras preguntas

Mark as BRAINLIEST if you are right
Help find the inequalities of these problems! Plz & thank you!!
Which NSX feature would enhance their security so that this doesn’t happen again?
How does a complete performance management system differ from the use of annual performance appraisals?
Organizations such as the American Bar Association and the American Correctional Association have developed detailed goals to improve the justice system called
What is 7/15 devided by 3/5
John has 12 pounds of dog food he is going to separate it into 3/4 pounds portions
Look at the pic and ANSWER CORRECTLY FOR POINTS ​
Should the existing system be replaced?This is a question that is asked during the _____ stage of the Systems Development Life Cycle (SDLC). a. planning. b. ana
discrive how mars was named