13-07-2016
Mathematics

contestada

which of the following is equivalent to the quadratic equation below after completing the square?
x^2+4x=0
A. (x+4)^2=4
B.(x+2)^2=16
C.(x+4)^2=8
D.(x+2)^2=4

Respuesta :

texaschic101 texaschic101

13-07-2016

x^2 + 4x = 0
x^2 + 4x + 4 = 0 + 4
(x + 2)^2 = 4

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