Conic sections

Question 1

equation of a circle

Answer 1

(x-h)^2 + (y-k)^2 = r^2

Question 2

what is a parabola?

Answer 2

set of points equidistant from fixed point & fixed line

Question 3

equation of parabola

Answer 3

y^2 = 4ax

Question 4

L.R of parabola & hyperbola

Answer 4

4a

Question 5

equation of an ellipse

Answer 5

x^2/a^2 + y^2/b^2 = 1

Question 6

L.R of parabola

Answer 6

2b^2/a

Question 7

equation of hyperbola

Answer 7

x^2/a^2 - y^2/b^2 = 1