(b) The general parabolas either in forms y2 = ax2 + bx + c or x = a1y2 + b1y + c1
(when axis of parabola is parallel to the co-ordinate axis).
It is symmetric about the New y-axis and its
vertex is ( a, - a2 ).
which is symmetric about the New x-axis and vertex ( -b2, b ).
(4) Standard Ellipse : The general equation
of the ellipse in standard form is
(5) Standard Hyperbola : The general equation
of the standard hyperbola is