1003024004 | math4u.vsb.cz

SubArea:

Level:

Project ID:

1003024004

Source Problem:

Accepted:

1

Clonable:

1

Easy:

0

Decide whether the equation

4 x^{2} + 9 y^{2} - 8 x + 18 y + 13 = 0

(in

x

-

y

plane) describes:

a point

an ellipse

a parabola

a hyperbola

an empty set