The equation, –2x2 + 5xy – 7y2 + 9x – 7y + 13 = 0, represents a conic. The discriminant is , so the equation represents a/an .
Answer
Selection 1:
-31
Selection 2:
ellipse

Question

The equation, –2x2 + 5xy – 7y2 + 9x – 7y + 13 = 0, represents a conic. The discriminant is , so the equation represents a/an .

Revolt · Accepted Answer

-31; Selection 1: -31; Selection 2: ellipse

The General Equation of Conic Sections