SOLUTION: Find the value of k such that the graph of the equation k(x^2 + y^2) + x^2 - y^2 + x + y = 0 is a hyperbola.

Algebra ->  Quadratic-relations-and-conic-sections -> SOLUTION: Find the value of k such that the graph of the equation k(x^2 + y^2) + x^2 - y^2 + x + y = 0 is a hyperbola.      Log On


   



Question 1142930: Find the value of k such that the graph of the equation k(x^2 + y^2) + x^2 - y^2 + x + y = 0 is a hyperbola.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!




A not equal to B, same sign: Ellipse

A = B: Circle

A = 0 or B = 0: Parabola (A AND B = 0: Straight Line)

A not equal to B, different signs: Hyperbola

Therefore:

Ellipse

Parabola

Hyperbola


John

My calculator said it, I believe it, that settles it