Fill in the blanks:
The eccentricity of the ellipse `2x^2 + y^2 = 4` is………….. .

The eccentricity of the ellipse 4x^2 + 9y^2 = 36 is :

The eccentricity of the ellipse : x^2+4y^2+8y-2x+1=0 is :

The eccentricity of the conic 4x^2-9y^2=2 is :

The eccentricity of the conic 9x^2-16y^2=144 is:

Fill in the blanks : The x-intercept of the plane 2x - 3y + 5z + 4 = 0 is ……… .

The eccentricity of the parabola y^2 =-8x is :

The eccentricity of the hyperbola 4x^(2)-9y^(2)=36 is :

Find the co-ordinate of the foci, the vertices, the lengths of major and minor axes and eccentricity of the ellipse 9x^(2) + 4y^(2) = 36 .