Question

What conic section does the equation 9x^2 + 4y^2 + 36x = 0 represent?

circle

ellipse

hyperbola

parabola

Answer 1

ellipse..

Answer 2

9(x+2)^2+4y^2=36
(x+2)^2/4 +y^2/9=1

Answer 3

The equation of a conic section is 2y^2 - x - 8y + 5 = 0. What is the equation in graphing form?

Option A: x - 1 = 2(y - 4)^2

Option B: x + 3 = 2(y - 2)^2

Option C: x^2/2 +(y-4)^2/4 = 1

Option D: x^2/2 - (y+5^2)/4 = 1