Question

Classify the conic represented by the equation x^2 + 11xy -17y^2 + 5x - 13y +8 =0
Does anyone know how to do this?

Answer 1

For the conic \(Ax^2+Bxy+Cy^2+...\), if the quantity \(B^2-4AC\) is:
1. \(<0\): ellipse
2. \(=0\): parabola
3. \(>0\): hyperbola