26-02-2015
Mathematics

contestada

y=-x^2
y=-7x^2
y=2/3x^2

Respuesta :

Panoyin Panoyin

28-02-2015

y = -x²
y = -7x²
y = 2/3x²
3y = -7 1/3x²
3 3
y = -2 4/9x

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