inassamira2005
inassamira2005 inassamira2005
  • 23-06-2021
  • Mathematics
contestada

Which equation represents y = x2 + 12x + 27 in vertex form?


y = (x + 6)2 − 9


y = (x + 6)2 + 21


y = (x + 6)2 + 9


y = (x + 6)2 + 27

Respuesta :

mhanifa
mhanifa mhanifa
  • 23-06-2021

Answer:

  • y = (x + 6)² - 9

Step-by-step explanation:

Complete the square:

y = x² + 12x + 27

  = x² + 2*6*x + 6² - 6² + 27

  = (x + 6)² - 36 + 27

  = (x + 6)² - 9

Correct choice is A

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