If the coefficient of x y is not zero this indicates that conics is not 

The equation $2x^2-5y^2+20x-10y+15=0$ corresponds to which conic section

The equation $4x^2-9y^2+16x-12y+25\ =0$ corresponds to which conic section

The equation $3x^2-4y^2+12x+8y+6=0$ corresponds to which conic section

Which type of conic section does the equation $x^2-4y^2-8x-16y+20=0$ represent

Which type of conic section does the equation $2x^2+3y^2+4x-12y+7=0$ represent

The equation $3x^2+3y^2+6xy-12x+8y+9=0$ corresponds to which conic section

The equation $x^2+4y^2+10x+12y+16=0$ corresponds to which conic section

Which type of conic section does the equation $x^2+9y^2-18x+36y+45=0$ represent

What is general equation of second degree which represent a conic