Open Question: What shapes do these equations make?

15:55 Publicado por Flechado16

what shape does each equation make:
Ellipse, circle, hyperbola or parabola?

1. 3x^2+4y+10x-6=0
2. 3x^2+5y^2+7y+8x+2=0
3. x^2+y^2+3x+10y+3=0
4. x^2+9x+3y+100=0


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