marandapyatt13
marandapyatt13 marandapyatt13
  • 03-06-2018
  • Mathematics
contestada

Solve using perfect square factoring patterns.

y2 + 18y + 81 = 0
A. {–9}
B. {9}
C.{0, –1}
D.{9, –9}

PLEASE HELP!!!
WILL MARK BRAINLEIST

Respuesta :

Аноним Аноним
  • 03-06-2018
y^2 + 18y + 81 = 0
(y + 9)^2 = 0

y + 9 = 0

y = -9
Answer Link

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