r9ubyjanvics r9ubyjanvics
  • 21-10-2016
  • SAT
contestada

If a + b = y, what is a^2 + 2ab + b^2?
A.
Y
B.
2y
C.
Y^2
D.
2y^2
E.
4y^2

Relax

Respuesta :

anouar
anouar anouar
  • 02-11-2016
(a+b)^2= a^2+2ab+b^2
(a+b)=y
(a+b)^2=y^2

answer is C
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