alurlay2018 alurlay2018
  • 29-05-2020
  • Mathematics
contestada

Rewrite y = -(x + 2)2 – 5 in standard form.

Respuesta :

jimrgrant1 jimrgrant1
  • 29-05-2020

Answer:

y = - x² - 4x - 9

Step-by-step explanation:

Given

y = - (x + 2)² - 5 ← expand (x + 2)² using FOIL

  = - (x² + 4x + 4) - 5 ← distribute parenthesis by - 1

  = - x² - 4x - 4 - 5 ← collect like terms

   = - x² - 4x - 9 ← in standard form

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