nshdkdb nshdkdb
  • 14-06-2016
  • Mathematics
contestada

Solve x2 + 12x = –11 by completing the square. Which is the solution set of the equation?

Relax

Respuesta :

Monicajls Monicajls
  • 14-06-2016
x2+12x+11=0
x2+12x+(12/2)^2-(12/2)^2+11=0
(x+6)^2-36+11=0
(x+6)^2=25
(x+6)=+-5
x= +5-6 or -5-6
= -1 or- 11
Answer Link
alfonsochamp13 alfonsochamp13
  • 02-10-2019

Answer:

answer is A

Step-by-step explanation:

Answer Link

Otras preguntas

A certain type of water lily doubles the area it covers every year. Ten years after being planted in our lake the water lilies cover a quarter of the lake's sur
why is citizen participation essential to the preservation of the us political system
Need to find common denominators for 58/2.9 and 58/5
Express the set in roster form.{x|x is a natural number multiple of 5}
could you tell me what is nonfiction?
How will you describe the sequence of oxygen, carbon dioxide and blood flow?
What Does 'Bury the Hatchet' Mean?
Atmospheric carbon dioxide produces a so-called "greenhouse effect" by trapping heat near Earth's surface. What human activities might tend to increase the gree
what does it mean to be 'all ears'?
What is aerobic and anaerobic respiration ?