y=-1/5x^2

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Solution for y=-1/5x^2 equation: 


x in (-oo:+oo)

y = (-1/5)*x^2 // - (-1/5)*x^2

y-((-1/5)*x^2) = 0

(1/5)*x^2+y = 0

1/5*x^2 = -y // : 1/5

x^2 = -5*y

x^2 = -5*y // ^ 1/2

abs(x) = (-5)^(1/2)*y^(1/2)

x = (-5)^(1/2)*y^(1/2) or x = -((-5)^(1/2)*y^(1/2))

x in { (-5)^(1/2)*y^(1/2), -((-5)^(1/2)*y^(1/2)) }

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