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Burchaanator
Burchaanator Burchaanator
  • 22-05-2014
  • Mathematics
Answered

Which value of c makes y^2+8y+c a perfect square

A4 B.16 C.64 D.8

Verified Answer :

Lilith
Lilith Lilith
  • 22-05-2014

\(y^2+8y+c \\ \\ c=(\frac{b}{2})^2=(\frac{8}{2})^2=4^2 = 16 \\ \\y^2+8y+16 = (y+4)^2 \\ \\Answer : \ B. \ \ 16\)




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