The equation of the directrix of the parabola y²+ 4y + 4x + 2 = 0 is ___________

(a)

x = -1

(b)

x = 1

(c)

x = \(\frac{-3}{2}\)

(d)

x = \(\frac{3}{2}\)

y² - 2x - 2y + 5 = 0 is a _________

(a)

circle

(b)

parabola

(c)

ellipse

(d)

hyperbola

The eccentricity of the ellipse 9x²+ 5y² - 30y = 0 is __________

(a)

\(\frac13\)

(b)

\(\frac23\)

(c)

\(\frac34\)

(d)

none of these

If the distance between the foci is 2 and the distance between the direction is 5, then the equation of the ellipse is __________

(a)

6x² + 10y² = 5

(b)

6x² + 10y² = 15

(c)

x² + 3y² = 10

(d)

none

The equation 7x²- 6\(\sqrt { 3 } \) xy + 13y² - 4\(\sqrt { 3 } \) x - 4y - 12 = 0 represents ____________

(a)

parabola

(b)

ellipse

(c)

hyperbola

(d)

rectangular hyperbola