shell9193ot8rw4 shell9193ot8rw4
  • 18-07-2017
  • Mathematics
contestada

Solve the quadratic equation by completing the square.
=+x^2+16x +61=0

Respuesta :

texaschic101
texaschic101 texaschic101
  • 18-07-2017
x^2 + 16x + 61 = 0
x^2 + 16x = -61
x^2 + 16x + 64 = -61 + 64
(x + 8)^2 = 3
x + 8 = (+-) sqrt 3
x = -8 (+-) sqrt 3

x = -8 + sqrt 3...and x = -8 - sqrt 3 <== ur solutions

Answer Link

Otras preguntas

Michael can buy 4 sandwiches and 3 cups of coffee for $23.75. Amy can buy 2 sandwhiches and 5 cups of coffee for $19.75 how much does one saandwhich cost
F (x) = 3x – 1 and f –1is the inverse of f, what is the value of f –1 (3)?
Double-Angle and Half-Angle Identiies [See Attachment] Question3
Which of the following is not characteristic of Egyptian art? Asymmetrical Ordered Permanent Stable
please help me math problem
What two games were combined to form the sport of racquetball?
Is it possible to get into working at a nursing home with out going to college? If so what position could you work as?
Which condition is essential for the formation of a standing wave?
When an incident includes a breach of physical security, all aspects of physical security should be escalated under a containment strategy known as ____. a. iso
Bob travels from Inglewood to Anytown, a distance of 20kilometres, he walks 800 metres and bicylces the rest of the way. what percentage does he travel by bicyl