What Is The 3 D Graph Of X 2 Y 2 Z Where Z 1 And 3 D Graph Of X 2 Y 2 1 What Is The Difference Between Two Of Them Quora $ \Rightarrow y = {x^2} 4x 2$ Since its leading coefficient is negative, we know that its graph will be a downward parabola Nature of roots of a quadratic equation can beGood morning Catalina You have asked a great question and one which gives a good insight into an understanding of Parabolas Let's go back to some basics first The General Equation for a Parabola is Y = AX² BX C wher X^2+y^2=4 graph 3d